80562220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 174857760

約数和(自身を除く): 94295540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 829, 860, 1130, 1658, 2260, 3316, 4145, 4859, 8290, 9718, 16580, 19436, 24295, 35647, 48590, 71294, 93677, 97180, 142588, 178235, 187354, 356470, 374708, 468385, 712940, 936770, 1873540, 4028111, 8056222, 16112444, 20140555, 40281110, 80562220]

約数ペア:

[(1, 80562220), (2, 40281110), (4, 20140555), (5, 16112444), (10, 8056222), (20, 4028111), (43, 1873540), (86, 936770), (113, 712940), (172, 468385), (215, 374708), (226, 356470), (430, 187354), (452, 178235), (565, 142588), (829, 97180), (860, 93677), (1130, 71294), (1658, 48590), (2260, 35647), (3316, 24295), (4145, 19436), (4859, 16580), (8290, 9718)]