520091720

素因数分解:

$2^3\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{6073}}^1$

素因数の和:8225

約数の個数: 32

約数和(自身を含む): 1170945720

約数和(自身を除く): 650854000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141, 4282, 6073, 8564, 10705, 12146, 17128, 21410, 24292, 30365, 42820, 48584, 60730, 85640, 121460, 242920, 13002293, 26004586, 52009172, 65011465, 104018344, 130022930, 260045860, 520091720]

約数ペア:

[(1, 520091720), (2, 260045860), (4, 130022930), (5, 104018344), (8, 65011465), (10, 52009172), (20, 26004586), (40, 13002293), (2141, 242920), (4282, 121460), (6073, 85640), (8564, 60730), (10705, 48584), (12146, 42820), (17128, 30365), (21410, 24292)]