42921875

素因数分解:

$5^6\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 28

約数和(自身を含む): 55780536

約数和(自身を除く): 12858661

約数列:

[1, 5, 25, 41, 67, 125, 205, 335, 625, 1025, 1675, 2747, 3125, 5125, 8375, 13735, 15625, 25625, 41875, 68675, 128125, 209375, 343375, 640625, 1046875, 1716875, 8584375, 42921875]

約数ペア:

[(1, 42921875), (5, 8584375), (25, 1716875), (41, 1046875), (67, 640625), (125, 343375), (205, 209375), (335, 128125), (625, 68675), (1025, 41875), (1675, 25625), (2747, 15625), (3125, 13735), (5125, 8375)]