72312020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29881}}^1$

素因数の和:29912

約数の個数: 36

約数和(自身を含む): 166920852

約数和(自身を除く): 94608832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 29881, 59762, 119524, 149405, 298810, 328691, 597620, 657382, 1314764, 1643455, 3286910, 3615601, 6573820, 7231202, 14462404, 18078005, 36156010, 72312020]

約数ペア:

[(1, 72312020), (2, 36156010), (4, 18078005), (5, 14462404), (10, 7231202), (11, 6573820), (20, 3615601), (22, 3286910), (44, 1643455), (55, 1314764), (110, 657382), (121, 597620), (220, 328691), (242, 298810), (484, 149405), (605, 119524), (1210, 59762), (2420, 29881)]