8163740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 19559232

約数和(自身を除く): 11395492

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1847, 2210, 3694, 4420, 7388, 9235, 18470, 24011, 31399, 36940, 48022, 62798, 96044, 120055, 125596, 156995, 240110, 313990, 408187, 480220, 627980, 816374, 1632748, 2040935, 4081870, 8163740]

約数ペア:

[(1, 8163740), (2, 4081870), (4, 2040935), (5, 1632748), (10, 816374), (13, 627980), (17, 480220), (20, 408187), (26, 313990), (34, 240110), (52, 156995), (65, 125596), (68, 120055), (85, 96044), (130, 62798), (170, 48022), (221, 36940), (260, 31399), (340, 24011), (442, 18470), (884, 9235), (1105, 7388), (1847, 4420), (2210, 3694)]