120535280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21221}}^1$

素因数の和:21305

約数の個数: 40

約数和(自身を含む): 284205024

約数和(自身を除く): 163669744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 21221, 42442, 84884, 106105, 169768, 212210, 339536, 424420, 848840, 1506691, 1697680, 3013382, 6026764, 7533455, 12053528, 15066910, 24107056, 30133820, 60267640, 120535280]

約数ペア:

[(1, 120535280), (2, 60267640), (4, 30133820), (5, 24107056), (8, 15066910), (10, 12053528), (16, 7533455), (20, 6026764), (40, 3013382), (71, 1697680), (80, 1506691), (142, 848840), (284, 424420), (355, 339536), (568, 212210), (710, 169768), (1136, 106105), (1420, 84884), (2840, 42442), (5680, 21221)]