100880

素因数分解:

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

素因数の和:123

約数の個数: 40

約数和(自身を含む): 255192

約数和(自身を除く): 154312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 2522, 3880, 5044, 6305, 7760, 10088, 12610, 20176, 25220, 50440, 100880]

約数ペア:

[(1, 100880), (2, 50440), (4, 25220), (5, 20176), (8, 12610), (10, 10088), (13, 7760), (16, 6305), (20, 5044), (26, 3880), (40, 2522), (52, 1940), (65, 1552), (80, 1261), (97, 1040), (104, 970), (130, 776), (194, 520), (208, 485), (260, 388)]