31979125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 10983275

約数列:

[1, 5, 17, 25, 85, 101, 125, 149, 425, 505, 745, 1717, 2125, 2525, 2533, 3725, 8585, 12625, 12665, 15049, 18625, 42925, 63325, 75245, 214625, 255833, 316625, 376225, 1279165, 1881125, 6395825, 31979125]

約数ペア:

[(1, 31979125), (5, 6395825), (17, 1881125), (25, 1279165), (85, 376225), (101, 316625), (125, 255833), (149, 214625), (425, 75245), (505, 63325), (745, 42925), (1717, 18625), (2125, 15049), (2525, 12665), (2533, 12625), (3725, 8585)]