38193140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 83994624

約数和(自身を除く): 45801484

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 991, 1927, 1982, 3854, 3964, 4955, 7708, 9635, 9910, 19270, 19820, 38540, 40631, 46577, 81262, 93154, 162524, 186308, 203155, 232885, 406310, 465770, 812620, 931540, 1909657, 3819314, 7638628, 9548285, 19096570, 38193140]

約数ペア:

[(1, 38193140), (2, 19096570), (4, 9548285), (5, 7638628), (10, 3819314), (20, 1909657), (41, 931540), (47, 812620), (82, 465770), (94, 406310), (164, 232885), (188, 203155), (205, 186308), (235, 162524), (410, 93154), (470, 81262), (820, 46577), (940, 40631), (991, 38540), (1927, 19820), (1982, 19270), (3854, 9910), (3964, 9635), (4955, 7708)]