4165940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 9249156

約数和(自身を除く): 5083216

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 577, 722, 1154, 1444, 1805, 2308, 2885, 3610, 5770, 7220, 10963, 11540, 21926, 43852, 54815, 109630, 208297, 219260, 416594, 833188, 1041485, 2082970, 4165940]

約数ペア:

[(1, 4165940), (2, 2082970), (4, 1041485), (5, 833188), (10, 416594), (19, 219260), (20, 208297), (38, 109630), (76, 54815), (95, 43852), (190, 21926), (361, 11540), (380, 10963), (577, 7220), (722, 5770), (1154, 3610), (1444, 2885), (1805, 2308)]