4054375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 5467000

約数和(自身を除く): 1412625

約数列:

[1, 5, 13, 25, 65, 125, 325, 499, 625, 1625, 2495, 6487, 8125, 12475, 32435, 62375, 162175, 311875, 810875, 4054375]

約数ペア:

[(1, 4054375), (5, 810875), (13, 311875), (25, 162175), (65, 62375), (125, 32435), (325, 12475), (499, 8125), (625, 6487), (1625, 2495)]