2100090640

素因数分解:

$2^4\times 5^1\times {\mathrm{3907}}^1\times {\mathrm{6719}}^1$

素因数の和:10639

約数の個数: 40

約数和(自身を含む): 4884687360

約数和(自身を除く): 2784596720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3907, 6719, 7814, 13438, 15628, 19535, 26876, 31256, 33595, 39070, 53752, 62512, 67190, 78140, 107504, 134380, 156280, 268760, 312560, 537520, 26251133, 52502266, 105004532, 131255665, 210009064, 262511330, 420018128, 525022660, 1050045320, 2100090640]

約数ペア:

[(1, 2100090640), (2, 1050045320), (4, 525022660), (5, 420018128), (8, 262511330), (10, 210009064), (16, 131255665), (20, 105004532), (40, 52502266), (80, 26251133), (3907, 537520), (6719, 312560), (7814, 268760), (13438, 156280), (15628, 134380), (19535, 107504), (26876, 78140), (31256, 67190), (33595, 62512), (39070, 53752)]