15680454640

素因数分解:

$2^4\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{126211}}^1$

素因数の和:127777

約数の個数: 40

約数和(自身を含む): 36480821328

約数和(自身を除く): 20800366688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1553, 3106, 6212, 7765, 12424, 15530, 24848, 31060, 62120, 124240, 126211, 252422, 504844, 631055, 1009688, 1262110, 2019376, 2524220, 5048440, 10096880, 196005683, 392011366, 784022732, 980028415, 1568045464, 1960056830, 3136090928, 3920113660, 7840227320, 15680454640]

約数ペア:

[(1, 15680454640), (2, 7840227320), (4, 3920113660), (5, 3136090928), (8, 1960056830), (10, 1568045464), (16, 980028415), (20, 784022732), (40, 392011366), (80, 196005683), (1553, 10096880), (3106, 5048440), (6212, 2524220), (7765, 2019376), (12424, 1262110), (15530, 1009688), (24848, 631055), (31060, 504844), (62120, 252422), (124240, 126211)]