31506280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60589}}^1$

素因数の和:60613

約数の個数: 32

約数和(自身を含む): 76343400

約数和(自身を除く): 44837120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60589, 121178, 242356, 302945, 484712, 605890, 787657, 1211780, 1575314, 2423560, 3150628, 3938285, 6301256, 7876570, 15753140, 31506280]

約数ペア:

[(1, 31506280), (2, 15753140), (4, 7876570), (5, 6301256), (8, 3938285), (10, 3150628), (13, 2423560), (20, 1575314), (26, 1211780), (40, 787657), (52, 605890), (65, 484712), (104, 302945), (130, 242356), (260, 121178), (520, 60589)]