68678440

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6067}}^1$

素因数の和:6361

約数の個数: 32

約数和(自身を含む): 155098080

約数和(自身を除く): 86419640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6067, 11320, 12134, 24268, 30335, 48536, 60670, 121340, 242680, 1716961, 3433922, 6867844, 8584805, 13735688, 17169610, 34339220, 68678440]

約数ペア:

[(1, 68678440), (2, 34339220), (4, 17169610), (5, 13735688), (8, 8584805), (10, 6867844), (20, 3433922), (40, 1716961), (283, 242680), (566, 121340), (1132, 60670), (1415, 48536), (2264, 30335), (2830, 24268), (5660, 12134), (6067, 11320)]