203770640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22541}}^1$

素因数の和:22667

約数の個数: 40

約数和(自身を含む): 477980568

約数和(自身を除く): 274209928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 22541, 45082, 90164, 112705, 180328, 225410, 360656, 450820, 901640, 1803280, 2547133, 5094266, 10188532, 12735665, 20377064, 25471330, 40754128, 50942660, 101885320, 203770640]

約数ペア:

[(1, 203770640), (2, 101885320), (4, 50942660), (5, 40754128), (8, 25471330), (10, 20377064), (16, 12735665), (20, 10188532), (40, 5094266), (80, 2547133), (113, 1803280), (226, 901640), (452, 450820), (565, 360656), (904, 225410), (1130, 180328), (1808, 112705), (2260, 90164), (4520, 45082), (9040, 22541)]