100880000

素因数分解:

$2^7\times 5^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 273240660

約数和(自身を除く): 172360660

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 125, 128, 130, 160, 194, 200, 208, 250, 260, 320, 325, 388, 400, 416, 485, 500, 520, 625, 640, 650, 776, 800, 832, 970, 1000, 1040, 1250, 1261, 1300, 1552, 1600, 1625, 1664, 1940, 2000, 2080, 2425, 2500, 2522, 2600, 3104, 3200, 3250, 3880, 4000, 4160, 4850, 5000, 5044, 5200, 6208, 6305, 6500, 7760, 8000, 8125, 8320, 9700, 10000, 10088, 10400, 12125, 12416, 12610, 13000, 15520, 16000, 16250, 19400, 20000, 20176, 20800, 24250, 25220, 26000, 31040, 31525, 32500, 38800, 40000, 40352, 41600, 48500, 50440, 52000, 60625, 62080, 63050, 65000, 77600, 80000, 80704, 97000, 100880, 104000, 121250, 126100, 130000, 155200, 157625, 161408, 194000, 201760, 208000, 242500, 252200, 260000, 310400, 315250, 388000, 403520, 485000, 504400, 520000, 630500, 776000, 788125, 807040, 970000, 1008800, 1040000, 1261000, 1552000, 1576250, 1940000, 2017600, 2522000, 3152500, 3880000, 4035200, 5044000, 6305000, 7760000, 10088000, 12610000, 20176000, 25220000, 50440000, 100880000]

約数ペア:

[(1, 100880000), (2, 50440000), (4, 25220000), (5, 20176000), (8, 12610000), (10, 10088000), (13, 7760000), (16, 6305000), (20, 5044000), (25, 4035200), (26, 3880000), (32, 3152500), (40, 2522000), (50, 2017600), (52, 1940000), (64, 1576250), (65, 1552000), (80, 1261000), (97, 1040000), (100, 1008800), (104, 970000), (125, 807040), (128, 788125), (130, 776000), (160, 630500), (194, 520000), (200, 504400), (208, 485000), (250, 403520), (260, 388000), (320, 315250), (325, 310400), (388, 260000), (400, 252200), (416, 242500), (485, 208000), (500, 201760), (520, 194000), (625, 161408), (640, 157625), (650, 155200), (776, 130000), (800, 126100), (832, 121250), (970, 104000), (1000, 100880), (1040, 97000), (1250, 80704), (1261, 80000), (1300, 77600), (1552, 65000), (1600, 63050), (1625, 62080), (1664, 60625), (1940, 52000), (2000, 50440), (2080, 48500), (2425, 41600), (2500, 40352), (2522, 40000), (2600, 38800), (3104, 32500), (3200, 31525), (3250, 31040), (3880, 26000), (4000, 25220), (4160, 24250), (4850, 20800), (5000, 20176), (5044, 20000), (5200, 19400), (6208, 16250), (6305, 16000), (6500, 15520), (7760, 13000), (8000, 12610), (8125, 12416), (8320, 12125), (9700, 10400), (10000, 10088)]