71313520

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1861}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 166239360

約数和(自身を除く): 94925840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1861, 1916, 2395, 3722, 3832, 4790, 7444, 7664, 9305, 9580, 14888, 18610, 19160, 29776, 37220, 38320, 74440, 148880, 891419, 1782838, 3565676, 4457095, 7131352, 8914190, 14262704, 17828380, 35656760, 71313520]

約数ペア:

[(1, 71313520), (2, 35656760), (4, 17828380), (5, 14262704), (8, 8914190), (10, 7131352), (16, 4457095), (20, 3565676), (40, 1782838), (80, 891419), (479, 148880), (958, 74440), (1861, 38320), (1916, 37220), (2395, 29776), (3722, 19160), (3832, 18610), (4790, 14888), (7444, 9580), (7664, 9305)]