31464680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60509}}^1$

素因数の和:60533

約数の個数: 32

約数和(自身を含む): 76242600

約数和(自身を除く): 44777920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60509, 121018, 242036, 302545, 484072, 605090, 786617, 1210180, 1573234, 2420360, 3146468, 3933085, 6292936, 7866170, 15732340, 31464680]

約数ペア:

[(1, 31464680), (2, 15732340), (4, 7866170), (5, 6292936), (8, 3933085), (10, 3146468), (13, 2420360), (20, 1573234), (26, 1210180), (40, 786617), (52, 605090), (65, 484072), (104, 302545), (130, 242036), (260, 121018), (520, 60509)]