213572840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{410717}}^1$

素因数の和:410741

約数の個数: 32

約数和(自身を含む): 517504680

約数和(自身を除く): 303931840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 410717, 821434, 1642868, 2053585, 3285736, 4107170, 5339321, 8214340, 10678642, 16428680, 21357284, 26696605, 42714568, 53393210, 106786420, 213572840]

約数ペア:

[(1, 213572840), (2, 106786420), (4, 53393210), (5, 42714568), (8, 26696605), (10, 21357284), (13, 16428680), (20, 10678642), (26, 8214340), (40, 5339321), (52, 4107170), (65, 3285736), (104, 2053585), (130, 1642868), (260, 821434), (520, 410717)]