25778480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3574

約数の個数: 80

約数和(自身を含む): 73786944

約数和(自身を除く): 48008464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3541, 3640, 7082, 7280, 14164, 17705, 24787, 28328, 35410, 46033, 49574, 56656, 70820, 92066, 99148, 123935, 141640, 184132, 198296, 230165, 247870, 283280, 322231, 368264, 396592, 460330, 495740, 644462, 736528, 920660, 991480, 1288924, 1611155, 1841320, 1982960, 2577848, 3222310, 3682640, 5155696, 6444620, 12889240, 25778480]

約数ペア:

[(1, 25778480), (2, 12889240), (4, 6444620), (5, 5155696), (7, 3682640), (8, 3222310), (10, 2577848), (13, 1982960), (14, 1841320), (16, 1611155), (20, 1288924), (26, 991480), (28, 920660), (35, 736528), (40, 644462), (52, 495740), (56, 460330), (65, 396592), (70, 368264), (80, 322231), (91, 283280), (104, 247870), (112, 230165), (130, 198296), (140, 184132), (182, 141640), (208, 123935), (260, 99148), (280, 92066), (364, 70820), (455, 56656), (520, 49574), (560, 46033), (728, 35410), (910, 28328), (1040, 24787), (1456, 17705), (1820, 14164), (3541, 7280), (3640, 7082)]