162139640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311807}}^1$

素因数の和:311831

約数の個数: 32

約数和(自身を含む): 392878080

約数和(自身を除く): 230738440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 311807, 623614, 1247228, 1559035, 2494456, 3118070, 4053491, 6236140, 8106982, 12472280, 16213964, 20267455, 32427928, 40534910, 81069820, 162139640]

約数ペア:

[(1, 162139640), (2, 81069820), (4, 40534910), (5, 32427928), (8, 20267455), (10, 16213964), (13, 12472280), (20, 8106982), (26, 6236140), (40, 4053491), (52, 3118070), (65, 2494456), (104, 1559035), (130, 1247228), (260, 623614), (520, 311807)]