8580520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 21546000

約数和(自身を除く): 12965480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 569, 580, 754, 1138, 1160, 1508, 1885, 2276, 2845, 3016, 3770, 4552, 5690, 7397, 7540, 11380, 14794, 15080, 16501, 22760, 29588, 33002, 36985, 59176, 66004, 73970, 82505, 132008, 147940, 165010, 214513, 295880, 330020, 429026, 660040, 858052, 1072565, 1716104, 2145130, 4290260, 8580520]

約数ペア:

[(1, 8580520), (2, 4290260), (4, 2145130), (5, 1716104), (8, 1072565), (10, 858052), (13, 660040), (20, 429026), (26, 330020), (29, 295880), (40, 214513), (52, 165010), (58, 147940), (65, 132008), (104, 82505), (116, 73970), (130, 66004), (145, 59176), (232, 36985), (260, 33002), (290, 29588), (377, 22760), (520, 16501), (569, 15080), (580, 14794), (754, 11380), (1138, 7540), (1160, 7397), (1508, 5690), (1885, 4552), (2276, 3770), (2845, 3016)]