50440000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 140

約数和(自身を含む): 136084564

約数和(自身を除く): 85644564

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, 130, 160, 194, 200, 208, 250, 260, 320, 325, 388, 400, 416, 485, 500, 520, 625, 650, 776, 800, 832, 970, 1000, 1040, 1250, 1261, 1300, 1552, 1600, 1625, 1940, 2000, 2080, 2425, 2500, 2522, 2600, 3104, 3250, 3880, 4000, 4160, 4850, 5000, 5044, 5200, 6208, 6305, 6500, 7760, 8000, 8125, 9700, 10000, 10088, 10400, 12125, 12610, 13000, 15520, 16250, 19400, 20000, 20176, 20800, 24250, 25220, 26000, 31040, 31525, 32500, 38800, 40000, 40352, 48500, 50440, 52000, 60625, 63050, 65000, 77600, 80704, 97000, 100880, 104000, 121250, 126100, 130000, 155200, 157625, 194000, 201760, 242500, 252200, 260000, 315250, 388000, 403520, 485000, 504400, 520000, 630500, 776000, 788125, 970000, 1008800, 1261000, 1576250, 1940000, 2017600, 2522000, 3152500, 3880000, 5044000, 6305000, 10088000, 12610000, 25220000, 50440000]

約数ペア:

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