20090179600

素因数分解:

$2^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{444473}}^1$

素因数の和:444604

約数の個数: 60

約数和(自身を含む): 48693904596

約数和(自身を除く): 28603724996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 200, 226, 400, 452, 565, 904, 1130, 1808, 2260, 2825, 4520, 5650, 9040, 11300, 22600, 45200, 444473, 888946, 1777892, 2222365, 3555784, 4444730, 7111568, 8889460, 11111825, 17778920, 22223650, 35557840, 44447300, 50225449, 88894600, 100450898, 177789200, 200901796, 251127245, 401803592, 502254490, 803607184, 1004508980, 1255636225, 2009017960, 2511272450, 4018035920, 5022544900, 10045089800, 20090179600]

約数ペア:

[(1, 20090179600), (2, 10045089800), (4, 5022544900), (5, 4018035920), (8, 2511272450), (10, 2009017960), (16, 1255636225), (20, 1004508980), (25, 803607184), (40, 502254490), (50, 401803592), (80, 251127245), (100, 200901796), (113, 177789200), (200, 100450898), (226, 88894600), (400, 50225449), (452, 44447300), (565, 35557840), (904, 22223650), (1130, 17778920), (1808, 11111825), (2260, 8889460), (2825, 7111568), (4520, 4444730), (5650, 3555784), (9040, 2222365), (11300, 1777892), (22600, 888946), (45200, 444473)]