65658820

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4751}}^1$

素因数の和:5451

約数の個数: 24

約数和(自身を含む): 138112128

約数和(自身を除く): 72453308

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 4751, 6910, 9502, 13820, 19004, 23755, 47510, 95020, 3282941, 6565882, 13131764, 16414705, 32829410, 65658820]

約数ペア:

[(1, 65658820), (2, 32829410), (4, 16414705), (5, 13131764), (10, 6565882), (20, 3282941), (691, 95020), (1382, 47510), (2764, 23755), (3455, 19004), (4751, 13820), (6910, 9502)]