2131480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4099}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 5166000

約数和(自身を除く): 3034520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4099, 8198, 16396, 20495, 32792, 40990, 53287, 81980, 106574, 163960, 213148, 266435, 426296, 532870, 1065740, 2131480]

約数ペア:

[(1, 2131480), (2, 1065740), (4, 532870), (5, 426296), (8, 266435), (10, 213148), (13, 163960), (20, 106574), (26, 81980), (40, 53287), (52, 40990), (65, 32792), (104, 20495), (130, 16396), (260, 8198), (520, 4099)]