28401875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 20

約数和(自身を含む): 36738240

約数和(自身を除く): 8336365

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 1567, 3625, 7835, 18125, 39175, 45443, 195875, 227215, 979375, 1136075, 5680375, 28401875]

約数ペア:

[(1, 28401875), (5, 5680375), (25, 1136075), (29, 979375), (125, 227215), (145, 195875), (625, 45443), (725, 39175), (1567, 18125), (3625, 7835)]