12561280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 31640400

約数和(自身を除く): 19079120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1033, 1216, 1520, 2066, 2432, 3040, 4132, 5165, 6080, 8264, 10330, 12160, 16528, 19627, 20660, 33056, 39254, 41320, 66112, 78508, 82640, 98135, 132224, 157016, 165280, 196270, 314032, 330560, 392540, 628064, 661120, 785080, 1256128, 1570160, 2512256, 3140320, 6280640, 12561280]

約数ペア:

[(1, 12561280), (2, 6280640), (4, 3140320), (5, 2512256), (8, 1570160), (10, 1256128), (16, 785080), (19, 661120), (20, 628064), (32, 392540), (38, 330560), (40, 314032), (64, 196270), (76, 165280), (80, 157016), (95, 132224), (128, 98135), (152, 82640), (160, 78508), (190, 66112), (304, 41320), (320, 39254), (380, 33056), (608, 20660), (640, 19627), (760, 16528), (1033, 12160), (1216, 10330), (1520, 8264), (2066, 6080), (2432, 5165), (3040, 4132)]