87796640

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5657}}^1$

素因数の和:5769

約数の個数: 48

約数和(自身を含む): 209594952

約数和(自身を除く): 121798312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5657, 7760, 11314, 15520, 22628, 28285, 45256, 56570, 90512, 113140, 181024, 226280, 452560, 548729, 905120, 1097458, 2194916, 2743645, 4389832, 5487290, 8779664, 10974580, 17559328, 21949160, 43898320, 87796640]

約数ペア:

[(1, 87796640), (2, 43898320), (4, 21949160), (5, 17559328), (8, 10974580), (10, 8779664), (16, 5487290), (20, 4389832), (32, 2743645), (40, 2194916), (80, 1097458), (97, 905120), (160, 548729), (194, 452560), (388, 226280), (485, 181024), (776, 113140), (970, 90512), (1552, 56570), (1940, 45256), (3104, 28285), (3880, 22628), (5657, 15520), (7760, 11314)]