172506640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16979}}^1$

素因数の和:17119

約数の個数: 40

約数和(自身を含む): 404259840

約数和(自身を除く): 231753200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 16979, 33958, 67916, 84895, 135832, 169790, 271664, 339580, 679160, 1358320, 2156333, 4312666, 8625332, 10781665, 17250664, 21563330, 34501328, 43126660, 86253320, 172506640]

約数ペア:

[(1, 172506640), (2, 86253320), (4, 43126660), (5, 34501328), (8, 21563330), (10, 17250664), (16, 10781665), (20, 8625332), (40, 4312666), (80, 2156333), (127, 1358320), (254, 679160), (508, 339580), (635, 271664), (1016, 169790), (1270, 135832), (2032, 84895), (2540, 67916), (5080, 33958), (10160, 16979)]