38431640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73907}}^1$

素因数の和:73931

約数の個数: 32

約数和(自身を含む): 93124080

約数和(自身を除く): 54692440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 73907, 147814, 295628, 369535, 591256, 739070, 960791, 1478140, 1921582, 2956280, 3843164, 4803955, 7686328, 9607910, 19215820, 38431640]

約数ペア:

[(1, 38431640), (2, 19215820), (4, 9607910), (5, 7686328), (8, 4803955), (10, 3843164), (13, 2956280), (20, 1921582), (26, 1478140), (40, 960791), (52, 739070), (65, 591256), (104, 369535), (130, 295628), (260, 147814), (520, 73907)]