15941480

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1129}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 36001800

約数和(自身を除く): 20060320

約数列:

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

約数ペア:

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