1651780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6375

約数の個数: 24

約数和(自身を含む): 3736152

約数和(自身を除く): 2084372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6353, 12706, 25412, 31765, 63530, 82589, 127060, 165178, 330356, 412945, 825890, 1651780]

約数ペア:

[(1, 1651780), (2, 825890), (4, 412945), (5, 330356), (10, 165178), (13, 127060), (20, 82589), (26, 63530), (52, 31765), (65, 25412), (130, 12706), (260, 6353)]