855451480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1645099}}^1$

素因数の和:1645123

約数の個数: 32

約数和(自身を含む): 2072826000

約数和(自身を除く): 1217374520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1645099, 3290198, 6580396, 8225495, 13160792, 16450990, 21386287, 32901980, 42772574, 65803960, 85545148, 106931435, 171090296, 213862870, 427725740, 855451480]

約数ペア:

[(1, 855451480), (2, 427725740), (4, 213862870), (5, 171090296), (8, 106931435), (10, 85545148), (13, 65803960), (20, 42772574), (26, 32901980), (40, 21386287), (52, 16450990), (65, 13160792), (104, 8225495), (130, 6580396), (260, 3290198), (520, 1645099)]