2790625

素因数分解:

$5^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 3749760

約数和(自身を除く): 959135

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 475, 625, 893, 1175, 2375, 3125, 4465, 5875, 11875, 22325, 29375, 59375, 111625, 146875, 558125, 2790625]

約数ペア:

[(1, 2790625), (5, 558125), (19, 146875), (25, 111625), (47, 59375), (95, 29375), (125, 22325), (235, 11875), (475, 5875), (625, 4465), (893, 3125), (1175, 2375)]