145802020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80111}}^1$

素因数の和:80140

約数の個数: 48

約数和(自身を含む): 376846848

約数和(自身を除く): 231044828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 80111, 160222, 320444, 400555, 560777, 801110, 1041443, 1121554, 1602220, 2082886, 2243108, 2803885, 4165772, 5207215, 5607770, 7290101, 10414430, 11215540, 14580202, 20828860, 29160404, 36450505, 72901010, 145802020]

約数ペア:

[(1, 145802020), (2, 72901010), (4, 36450505), (5, 29160404), (7, 20828860), (10, 14580202), (13, 11215540), (14, 10414430), (20, 7290101), (26, 5607770), (28, 5207215), (35, 4165772), (52, 2803885), (65, 2243108), (70, 2082886), (91, 1602220), (130, 1121554), (140, 1041443), (182, 801110), (260, 560777), (364, 400555), (455, 320444), (910, 160222), (1820, 80111)]