3404375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 4592280

約数和(自身を除く): 1187905

約数列:

[1, 5, 13, 25, 65, 125, 325, 419, 625, 1625, 2095, 5447, 8125, 10475, 27235, 52375, 136175, 261875, 680875, 3404375]

約数ペア:

[(1, 3404375), (5, 680875), (13, 261875), (25, 136175), (65, 52375), (125, 27235), (325, 10475), (419, 8125), (625, 5447), (1625, 2095)]