31882960

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1129}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 74403720

約数和(自身を除く): 42520760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1129, 1412, 1765, 2258, 2824, 3530, 4516, 5645, 5648, 7060, 9032, 11290, 14120, 18064, 22580, 28240, 45160, 90320, 398537, 797074, 1594148, 1992685, 3188296, 3985370, 6376592, 7970740, 15941480, 31882960]

約数ペア:

[(1, 31882960), (2, 15941480), (4, 7970740), (5, 6376592), (8, 3985370), (10, 3188296), (16, 1992685), (20, 1594148), (40, 797074), (80, 398537), (353, 90320), (706, 45160), (1129, 28240), (1412, 22580), (1765, 18064), (2258, 14120), (2824, 11290), (3530, 9032), (4516, 7060), (5645, 5648)]