2880625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:450

約数の個数: 20

約数和(自身を含む): 3936240

約数和(自身を除く): 1055615

約数列:

[1, 5, 11, 25, 55, 125, 275, 419, 625, 1375, 2095, 4609, 6875, 10475, 23045, 52375, 115225, 261875, 576125, 2880625]

約数ペア:

[(1, 2880625), (5, 576125), (11, 261875), (25, 115225), (55, 52375), (125, 23045), (275, 10475), (419, 6875), (625, 4609), (1375, 2095)]