42621340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18859}}^1$

素因数の和:18981

約数の個数: 24

約数和(自身を含む): 90301680

約数和(自身を除く): 47680340

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 18859, 37718, 75436, 94295, 188590, 377180, 2131067, 4262134, 8524268, 10655335, 21310670, 42621340]

約数ペア:

[(1, 42621340), (2, 21310670), (4, 10655335), (5, 8524268), (10, 4262134), (20, 2131067), (113, 377180), (226, 188590), (452, 94295), (565, 75436), (1130, 37718), (2260, 18859)]