51078040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98227}}^1$

素因数の和:98251

約数の個数: 32

約数和(自身を含む): 123767280

約数和(自身を除く): 72689240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98227, 196454, 392908, 491135, 785816, 982270, 1276951, 1964540, 2553902, 3929080, 5107804, 6384755, 10215608, 12769510, 25539020, 51078040]

約数ペア:

[(1, 51078040), (2, 25539020), (4, 12769510), (5, 10215608), (8, 6384755), (10, 5107804), (13, 3929080), (20, 2553902), (26, 1964540), (40, 1276951), (52, 982270), (65, 785816), (104, 491135), (130, 392908), (260, 196454), (520, 98227)]