164412040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316177}}^1$

素因数の和:316201

約数の個数: 32

約数和(自身を含む): 398384280

約数和(自身を除く): 233972240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 316177, 632354, 1264708, 1580885, 2529416, 3161770, 4110301, 6323540, 8220602, 12647080, 16441204, 20551505, 32882408, 41103010, 82206020, 164412040]

約数ペア:

[(1, 164412040), (2, 82206020), (4, 41103010), (5, 32882408), (8, 20551505), (10, 16441204), (13, 12647080), (20, 8220602), (26, 6323540), (40, 4110301), (52, 3161770), (65, 2529416), (104, 1580885), (130, 1264708), (260, 632354), (520, 316177)]