1931036720

素因数分解:

$2^4\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{10937}}^1$

素因数の和:13157

約数の個数: 40

約数和(自身を含む): 4492105344

約数和(自身を除く): 2561068624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2207, 4414, 8828, 10937, 11035, 17656, 21874, 22070, 35312, 43748, 44140, 54685, 87496, 88280, 109370, 174992, 176560, 218740, 437480, 874960, 24137959, 48275918, 96551836, 120689795, 193103672, 241379590, 386207344, 482759180, 965518360, 1931036720]

約数ペア:

[(1, 1931036720), (2, 965518360), (4, 482759180), (5, 386207344), (8, 241379590), (10, 193103672), (16, 120689795), (20, 96551836), (40, 48275918), (80, 24137959), (2207, 874960), (4414, 437480), (8828, 218740), (10937, 176560), (11035, 174992), (17656, 109370), (21874, 88280), (22070, 87496), (35312, 54685), (43748, 44140)]