403520

素因数分解:

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

素因数の和:127

約数の個数: 56

約数和(自身を含む): 1045464

約数和(自身を除く): 641944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 130, 160, 194, 208, 260, 320, 388, 416, 485, 520, 776, 832, 970, 1040, 1261, 1552, 1940, 2080, 2522, 3104, 3880, 4160, 5044, 6208, 6305, 7760, 10088, 12610, 15520, 20176, 25220, 31040, 40352, 50440, 80704, 100880, 201760, 403520]

約数ペア:

[(1, 403520), (2, 201760), (4, 100880), (5, 80704), (8, 50440), (10, 40352), (13, 31040), (16, 25220), (20, 20176), (26, 15520), (32, 12610), (40, 10088), (52, 7760), (64, 6305), (65, 6208), (80, 5044), (97, 4160), (104, 3880), (130, 3104), (160, 2522), (194, 2080), (208, 1940), (260, 1552), (320, 1261), (388, 1040), (416, 970), (485, 832), (520, 776)]