16305640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31357}}^1$

素因数の和:31381

約数の個数: 32

約数和(自身を含む): 39511080

約数和(自身を除く): 23205440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31357, 62714, 125428, 156785, 250856, 313570, 407641, 627140, 815282, 1254280, 1630564, 2038205, 3261128, 4076410, 8152820, 16305640]

約数ペア:

[(1, 16305640), (2, 8152820), (4, 4076410), (5, 3261128), (8, 2038205), (10, 1630564), (13, 1254280), (20, 815282), (26, 627140), (40, 407641), (52, 313570), (65, 250856), (104, 156785), (130, 125428), (260, 62714), (520, 31357)]