1637360

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 3864336

約数和(自身を除く): 2226976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 211, 388, 422, 485, 776, 844, 970, 1055, 1552, 1688, 1940, 2110, 3376, 3880, 4220, 7760, 8440, 16880, 20467, 40934, 81868, 102335, 163736, 204670, 327472, 409340, 818680, 1637360]

約数ペア:

[(1, 1637360), (2, 818680), (4, 409340), (5, 327472), (8, 204670), (10, 163736), (16, 102335), (20, 81868), (40, 40934), (80, 20467), (97, 16880), (194, 8440), (211, 7760), (388, 4220), (422, 3880), (485, 3376), (776, 2110), (844, 1940), (970, 1688), (1055, 1552)]