15450625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 20

約数和(自身を含む): 19681200

約数和(自身を除く): 4230575

約数列:

[1, 5, 25, 59, 125, 295, 419, 625, 1475, 2095, 7375, 10475, 24721, 36875, 52375, 123605, 261875, 618025, 3090125, 15450625]

約数ペア:

[(1, 15450625), (5, 3090125), (25, 618025), (59, 261875), (125, 123605), (295, 52375), (419, 36875), (625, 24721), (1475, 10475), (2095, 7375)]