69107960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42139}}^1$

素因数の和:42191

約数の個数: 32

約数和(自身を含む): 159289200

約数和(自身を除く): 90181240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 42139, 84278, 168556, 210695, 337112, 421390, 842780, 1685560, 1727699, 3455398, 6910796, 8638495, 13821592, 17276990, 34553980, 69107960]

約数ペア:

[(1, 69107960), (2, 34553980), (4, 17276990), (5, 13821592), (8, 8638495), (10, 6910796), (20, 3455398), (40, 1727699), (41, 1685560), (82, 842780), (164, 421390), (205, 337112), (328, 210695), (410, 168556), (820, 84278), (1640, 42139)]