84261875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{4349}}^1$

素因数の和:4400

約数の個数: 20

約数和(自身を含む): 108715200

約数和(自身を除く): 24453325

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 3875, 4349, 19375, 21745, 108725, 134819, 543625, 674095, 2718125, 3370475, 16852375, 84261875]

約数ペア:

[(1, 84261875), (5, 16852375), (25, 3370475), (31, 2718125), (125, 674095), (155, 543625), (625, 134819), (775, 108725), (3875, 21745), (4349, 19375)]