816647540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{13159}}^1$

素因数の和:13304

約数の個数: 48

約数和(自身を含む): 1790812800

約数和(自身を除く): 974165260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 428, 535, 580, 1070, 2140, 3103, 6206, 12412, 13159, 15515, 26318, 31030, 52636, 62060, 65795, 131590, 263180, 381611, 763222, 1408013, 1526444, 1908055, 2816026, 3816110, 5632052, 7040065, 7632220, 14080130, 28160260, 40832377, 81664754, 163329508, 204161885, 408323770, 816647540]

約数ペア:

[(1, 816647540), (2, 408323770), (4, 204161885), (5, 163329508), (10, 81664754), (20, 40832377), (29, 28160260), (58, 14080130), (107, 7632220), (116, 7040065), (145, 5632052), (214, 3816110), (290, 2816026), (428, 1908055), (535, 1526444), (580, 1408013), (1070, 763222), (2140, 381611), (3103, 263180), (6206, 131590), (12412, 65795), (13159, 62060), (15515, 52636), (26318, 31030)]