19820200

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 46542780

約数和(自身を除く): 26722580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 452, 565, 877, 904, 1130, 1754, 2260, 2825, 3508, 4385, 4520, 5650, 7016, 8770, 11300, 17540, 21925, 22600, 35080, 43850, 87700, 99101, 175400, 198202, 396404, 495505, 792808, 991010, 1982020, 2477525, 3964040, 4955050, 9910100, 19820200]

約数ペア:

[(1, 19820200), (2, 9910100), (4, 4955050), (5, 3964040), (8, 2477525), (10, 1982020), (20, 991010), (25, 792808), (40, 495505), (50, 396404), (100, 198202), (113, 175400), (200, 99101), (226, 87700), (452, 43850), (565, 35080), (877, 22600), (904, 21925), (1130, 17540), (1754, 11300), (2260, 8770), (2825, 7016), (3508, 5650), (4385, 4520)]