8650640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1607

約数の個数: 40

約数和(自身を含む): 20409408

約数和(自身を除く): 11758768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1523, 2840, 3046, 5680, 6092, 7615, 12184, 15230, 24368, 30460, 60920, 108133, 121840, 216266, 432532, 540665, 865064, 1081330, 1730128, 2162660, 4325320, 8650640]

約数ペア:

[(1, 8650640), (2, 4325320), (4, 2162660), (5, 1730128), (8, 1081330), (10, 865064), (16, 540665), (20, 432532), (40, 216266), (71, 121840), (80, 108133), (142, 60920), (284, 30460), (355, 24368), (568, 15230), (710, 12184), (1136, 7615), (1420, 6092), (1523, 5680), (2840, 3046)]