78830680

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{11801}}^1$

素因数の和:11979

約数の個数: 32

約数和(自身を含む): 178446240

約数和(自身を除く): 99615560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 11801, 23602, 47204, 59005, 94408, 118010, 236020, 472040, 1970767, 3941534, 7883068, 9853835, 15766136, 19707670, 39415340, 78830680]

約数ペア:

[(1, 78830680), (2, 39415340), (4, 19707670), (5, 15766136), (8, 9853835), (10, 7883068), (20, 3941534), (40, 1970767), (167, 472040), (334, 236020), (668, 118010), (835, 94408), (1336, 59005), (1670, 47204), (3340, 23602), (6680, 11801)]