64040800

素因数分解:

$2^5\times 5^2\times {\mathrm{80051}}^1$

素因数の和:80071

約数の個数: 36

約数和(自身を含む): 156341556

約数和(自身を除く): 92300756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 80051, 160102, 320204, 400255, 640408, 800510, 1280816, 1601020, 2001275, 2561632, 3202040, 4002550, 6404080, 8005100, 12808160, 16010200, 32020400, 64040800]

約数ペア:

[(1, 64040800), (2, 32020400), (4, 16010200), (5, 12808160), (8, 8005100), (10, 6404080), (16, 4002550), (20, 3202040), (25, 2561632), (32, 2001275), (40, 1601020), (50, 1280816), (80, 800510), (100, 640408), (160, 400255), (200, 320204), (400, 160102), (800, 80051)]