68917840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11801}}^1$

素因数の和:11887

約数の個数: 40

約数和(自身を含む): 162442728

約数和(自身を除く): 93524888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11801, 23602, 47204, 59005, 94408, 118010, 188816, 236020, 472040, 861473, 944080, 1722946, 3445892, 4307365, 6891784, 8614730, 13783568, 17229460, 34458920, 68917840]

約数ペア:

[(1, 68917840), (2, 34458920), (4, 17229460), (5, 13783568), (8, 8614730), (10, 6891784), (16, 4307365), (20, 3445892), (40, 1722946), (73, 944080), (80, 861473), (146, 472040), (292, 236020), (365, 188816), (584, 118010), (730, 94408), (1168, 59005), (1460, 47204), (2920, 23602), (5840, 11801)]