42251875

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 20

約数和(自身を含む): 53639080

約数和(自身を除く): 11387205

約数列:

[1, 5, 25, 67, 125, 335, 625, 1009, 1675, 5045, 8375, 25225, 41875, 67603, 126125, 338015, 630625, 1690075, 8450375, 42251875]

約数ペア:

[(1, 42251875), (5, 8450375), (25, 1690075), (67, 630625), (125, 338015), (335, 126125), (625, 67603), (1009, 41875), (1675, 25225), (5045, 8375)]