8070400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 21733852

約数和(自身を除く): 13663452

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 128, 130, 160, 194, 200, 208, 256, 260, 320, 325, 388, 400, 416, 485, 520, 640, 650, 776, 800, 832, 970, 1040, 1261, 1280, 1300, 1552, 1600, 1664, 1940, 2080, 2425, 2522, 2600, 3104, 3200, 3328, 3880, 4160, 4850, 5044, 5200, 6208, 6305, 6400, 7760, 8320, 9700, 10088, 10400, 12416, 12610, 15520, 16640, 19400, 20176, 20800, 24832, 25220, 31040, 31525, 38800, 40352, 41600, 50440, 62080, 63050, 77600, 80704, 83200, 100880, 124160, 126100, 155200, 161408, 201760, 252200, 310400, 322816, 403520, 504400, 620800, 807040, 1008800, 1614080, 2017600, 4035200, 8070400]

約数ペア:

[(1, 8070400), (2, 4035200), (4, 2017600), (5, 1614080), (8, 1008800), (10, 807040), (13, 620800), (16, 504400), (20, 403520), (25, 322816), (26, 310400), (32, 252200), (40, 201760), (50, 161408), (52, 155200), (64, 126100), (65, 124160), (80, 100880), (97, 83200), (100, 80704), (104, 77600), (128, 63050), (130, 62080), (160, 50440), (194, 41600), (200, 40352), (208, 38800), (256, 31525), (260, 31040), (320, 25220), (325, 24832), (388, 20800), (400, 20176), (416, 19400), (485, 16640), (520, 15520), (640, 12610), (650, 12416), (776, 10400), (800, 10088), (832, 9700), (970, 8320), (1040, 7760), (1261, 6400), (1280, 6305), (1300, 6208), (1552, 5200), (1600, 5044), (1664, 4850), (1940, 4160), (2080, 3880), (2425, 3328), (2522, 3200), (2600, 3104)]