31345240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16673}}^1$

素因数の和:16731

約数の個数: 32

約数和(自身を含む): 72031680

約数和(自身を除く): 40686440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16673, 33346, 66692, 83365, 133384, 166730, 333460, 666920, 783631, 1567262, 3134524, 3918155, 6269048, 7836310, 15672620, 31345240]

約数ペア:

[(1, 31345240), (2, 15672620), (4, 7836310), (5, 6269048), (8, 3918155), (10, 3134524), (20, 1567262), (40, 783631), (47, 666920), (94, 333460), (188, 166730), (235, 133384), (376, 83365), (470, 66692), (940, 33346), (1880, 16673)]