8735840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 20956320

約数和(自身を除く): 12220480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 769, 1136, 1420, 1538, 2272, 2840, 3076, 3845, 5680, 6152, 7690, 11360, 12304, 15380, 24608, 30760, 54599, 61520, 109198, 123040, 218396, 272995, 436792, 545990, 873584, 1091980, 1747168, 2183960, 4367920, 8735840]

約数ペア:

[(1, 8735840), (2, 4367920), (4, 2183960), (5, 1747168), (8, 1091980), (10, 873584), (16, 545990), (20, 436792), (32, 272995), (40, 218396), (71, 123040), (80, 109198), (142, 61520), (160, 54599), (284, 30760), (355, 24608), (568, 15380), (710, 12304), (769, 11360), (1136, 7690), (1420, 6152), (1538, 5680), (2272, 3845), (2840, 3076)]