78286360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115127}}^1$

素因数の和:115155

約数の個数: 32

約数和(自身を含む): 186507360

約数和(自身を除く): 108221000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115127, 230254, 460508, 575635, 921016, 1151270, 1957159, 2302540, 3914318, 4605080, 7828636, 9785795, 15657272, 19571590, 39143180, 78286360]

約数ペア:

[(1, 78286360), (2, 39143180), (4, 19571590), (5, 15657272), (8, 9785795), (10, 7828636), (17, 4605080), (20, 3914318), (34, 2302540), (40, 1957159), (68, 1151270), (85, 921016), (136, 575635), (170, 460508), (340, 230254), (680, 115127)]