6405220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10331}}^1$

素因数の和:10371

約数の個数: 24

約数和(自身を含む): 13886208

約数和(自身を除く): 7480988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 10331, 20662, 41324, 51655, 103310, 206620, 320261, 640522, 1281044, 1601305, 3202610, 6405220]

約数ペア:

[(1, 6405220), (2, 3202610), (4, 1601305), (5, 1281044), (10, 640522), (20, 320261), (31, 206620), (62, 103310), (124, 51655), (155, 41324), (310, 20662), (620, 10331)]