1024375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 1405800

約数和(自身を除く): 381425

約数列:

[1, 5, 11, 25, 55, 125, 149, 275, 625, 745, 1375, 1639, 3725, 6875, 8195, 18625, 40975, 93125, 204875, 1024375]

約数ペア:

[(1, 1024375), (5, 204875), (11, 93125), (25, 40975), (55, 18625), (125, 8195), (149, 6875), (275, 3725), (625, 1639), (745, 1375)]