87256520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167801}}^1$

素因数の和:167825

約数の個数: 32

約数和(自身を含む): 211430520

約数和(自身を除く): 124174000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 167801, 335602, 671204, 839005, 1342408, 1678010, 2181413, 3356020, 4362826, 6712040, 8725652, 10907065, 17451304, 21814130, 43628260, 87256520]

約数ペア:

[(1, 87256520), (2, 43628260), (4, 21814130), (5, 17451304), (8, 10907065), (10, 8725652), (13, 6712040), (20, 4362826), (26, 3356020), (40, 2181413), (52, 1678010), (65, 1342408), (104, 839005), (130, 671204), (260, 335602), (520, 167801)]