12889240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3572

約数の個数: 64

約数和(自身を含む): 35703360

約数和(自身を除く): 22814120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3541, 3640, 7082, 14164, 17705, 24787, 28328, 35410, 46033, 49574, 70820, 92066, 99148, 123935, 141640, 184132, 198296, 230165, 247870, 322231, 368264, 460330, 495740, 644462, 920660, 991480, 1288924, 1611155, 1841320, 2577848, 3222310, 6444620, 12889240]

約数ペア:

[(1, 12889240), (2, 6444620), (4, 3222310), (5, 2577848), (7, 1841320), (8, 1611155), (10, 1288924), (13, 991480), (14, 920660), (20, 644462), (26, 495740), (28, 460330), (35, 368264), (40, 322231), (52, 247870), (56, 230165), (65, 198296), (70, 184132), (91, 141640), (104, 123935), (130, 99148), (140, 92066), (182, 70820), (260, 49574), (280, 46033), (364, 35410), (455, 28328), (520, 24787), (728, 17705), (910, 14164), (1820, 7082), (3541, 3640)]