78245620

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{5581}}^1$

素因数の和:6291

約数の個数: 24

約数和(自身を含む): 164579688

約数和(自身を除く): 86334068

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 5581, 7010, 11162, 14020, 22324, 27905, 55810, 111620, 3912281, 7824562, 15649124, 19561405, 39122810, 78245620]

約数ペア:

[(1, 78245620), (2, 39122810), (4, 19561405), (5, 15649124), (10, 7824562), (20, 3912281), (701, 111620), (1402, 55810), (2804, 27905), (3505, 22324), (5581, 14020), (7010, 11162)]