329375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 20

約数和(自身を含む): 449856

約数和(自身を除く): 120481

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 625, 775, 2125, 2635, 3875, 10625, 13175, 19375, 65875, 329375]

約数ペア:

[(1, 329375), (5, 65875), (17, 19375), (25, 13175), (31, 10625), (85, 3875), (125, 2635), (155, 2125), (425, 775), (527, 625)]