31271080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9419}}^1$

素因数の和:9513

約数の個数: 32

約数和(自身を含む): 71215200

約数和(自身を除く): 39944120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9419, 18838, 37676, 47095, 75352, 94190, 188380, 376760, 781777, 1563554, 3127108, 3908885, 6254216, 7817770, 15635540, 31271080]

約数ペア:

[(1, 31271080), (2, 15635540), (4, 7817770), (5, 6254216), (8, 3908885), (10, 3127108), (20, 1563554), (40, 781777), (83, 376760), (166, 188380), (332, 94190), (415, 75352), (664, 47095), (830, 37676), (1660, 18838), (3320, 9419)]