2019921770

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{12979}}^1$

素因数の和:13262

約数の個数: 32

約数和(自身を含む): 3700857600

約数和(自身を除く): 1680935830

約数列:

[1, 2, 5, 10, 79, 158, 197, 394, 395, 790, 985, 1970, 12979, 15563, 25958, 31126, 64895, 77815, 129790, 155630, 1025341, 2050682, 2556863, 5113726, 5126705, 10253410, 12784315, 25568630, 201992177, 403984354, 1009960885, 2019921770]

約数ペア:

[(1, 2019921770), (2, 1009960885), (5, 403984354), (10, 201992177), (79, 25568630), (158, 12784315), (197, 10253410), (394, 5126705), (395, 5113726), (790, 2556863), (985, 2050682), (1970, 1025341), (12979, 155630), (15563, 129790), (25958, 77815), (31126, 64895)]