90801910

素因数分解:

$2^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{4261}}^1$

素因数の和:6399

約数の個数: 16

約数和(自身を含む): 163558512

約数和(自身を除く): 72756602

約数列:

[1, 2, 5, 10, 2131, 4261, 4262, 8522, 10655, 21305, 21310, 42610, 9080191, 18160382, 45400955, 90801910]

約数ペア:

[(1, 90801910), (2, 45400955), (5, 18160382), (10, 9080191), (2131, 42610), (4261, 21310), (4262, 21305), (8522, 10655)]