12808580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 28245504

約数和(自身を除く): 15436924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 283, 292, 310, 365, 566, 620, 730, 1132, 1415, 1460, 2263, 2830, 4526, 5660, 8773, 9052, 11315, 17546, 20659, 22630, 35092, 41318, 43865, 45260, 82636, 87730, 103295, 175460, 206590, 413180, 640429, 1280858, 2561716, 3202145, 6404290, 12808580]

約数ペア:

[(1, 12808580), (2, 6404290), (4, 3202145), (5, 2561716), (10, 1280858), (20, 640429), (31, 413180), (62, 206590), (73, 175460), (124, 103295), (146, 87730), (155, 82636), (283, 45260), (292, 43865), (310, 41318), (365, 35092), (566, 22630), (620, 20659), (730, 17546), (1132, 11315), (1415, 9052), (1460, 8773), (2263, 5660), (2830, 4526)]