2420625

素因数分解:

$3^1\times 5^4\times {\mathrm{1291}}^1$

素因数の和:1314

約数の個数: 20

約数和(自身を含む): 4036208

約数和(自身を除く): 1615583

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1291, 1875, 3873, 6455, 19365, 32275, 96825, 161375, 484125, 806875, 2420625]

約数ペア:

[(1, 2420625), (3, 806875), (5, 484125), (15, 161375), (25, 96825), (75, 32275), (125, 19365), (375, 6455), (625, 3873), (1291, 1875)]