200522920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385621}}^1$

素因数の和:385645

約数の個数: 32

約数和(自身を含む): 485883720

約数和(自身を除く): 285360800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385621, 771242, 1542484, 1928105, 3084968, 3856210, 5013073, 7712420, 10026146, 15424840, 20052292, 25065365, 40104584, 50130730, 100261460, 200522920]

約数ペア:

[(1, 200522920), (2, 100261460), (4, 50130730), (5, 40104584), (8, 25065365), (10, 20052292), (13, 15424840), (20, 10026146), (26, 7712420), (40, 5013073), (52, 3856210), (65, 3084968), (104, 1928105), (130, 1542484), (260, 771242), (520, 385621)]