1637920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 4014360

約数和(自身を除く): 2376440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 353, 464, 580, 706, 928, 1160, 1412, 1765, 2320, 2824, 3530, 4640, 5648, 7060, 10237, 11296, 14120, 20474, 28240, 40948, 51185, 56480, 81896, 102370, 163792, 204740, 327584, 409480, 818960, 1637920]

約数ペア:

[(1, 1637920), (2, 818960), (4, 409480), (5, 327584), (8, 204740), (10, 163792), (16, 102370), (20, 81896), (29, 56480), (32, 51185), (40, 40948), (58, 28240), (80, 20474), (116, 14120), (145, 11296), (160, 10237), (232, 7060), (290, 5648), (353, 4640), (464, 3530), (580, 2824), (706, 2320), (928, 1765), (1160, 1412)]