16120520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 40446000

約数和(自身を除く): 24325480

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, 580, 754, 1069, 1160, 1508, 1885, 2138, 3016, 3770, 4276, 5345, 7540, 8552, 10690, 13897, 15080, 21380, 27794, 31001, 42760, 55588, 62002, 69485, 111176, 124004, 138970, 155005, 248008, 277940, 310010, 403013, 555880, 620020, 806026, 1240040, 1612052, 2015065, 3224104, 4030130, 8060260, 16120520]

約数ペア:

[(1, 16120520), (2, 8060260), (4, 4030130), (5, 3224104), (8, 2015065), (10, 1612052), (13, 1240040), (20, 806026), (26, 620020), (29, 555880), (40, 403013), (52, 310010), (58, 277940), (65, 248008), (104, 155005), (116, 138970), (130, 124004), (145, 111176), (232, 69485), (260, 62002), (290, 55588), (377, 42760), (520, 31001), (580, 27794), (754, 21380), (1069, 15080), (1160, 13897), (1508, 10690), (1885, 8552), (2138, 7540), (3016, 5345), (3770, 4276)]