16538080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7951}}^1$

素因数の和:7979

約数の個数: 48

約数和(自身を含む): 42081984

約数和(自身を除く): 25543904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7951, 15902, 31804, 39755, 63608, 79510, 103363, 127216, 159020, 206726, 254432, 318040, 413452, 516815, 636080, 826904, 1033630, 1272160, 1653808, 2067260, 3307616, 4134520, 8269040, 16538080]

約数ペア:

[(1, 16538080), (2, 8269040), (4, 4134520), (5, 3307616), (8, 2067260), (10, 1653808), (13, 1272160), (16, 1033630), (20, 826904), (26, 636080), (32, 516815), (40, 413452), (52, 318040), (65, 254432), (80, 206726), (104, 159020), (130, 127216), (160, 103363), (208, 79510), (260, 63608), (416, 39755), (520, 31804), (1040, 15902), (2080, 7951)]