101810020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3877}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 232586928

約数和(自身を除く): 130776908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 3877, 5252, 6565, 7754, 13130, 15508, 19385, 26260, 38770, 50401, 77540, 100802, 201604, 252005, 391577, 504010, 783154, 1008020, 1566308, 1957885, 3915770, 5090501, 7831540, 10181002, 20362004, 25452505, 50905010, 101810020]

約数ペア:

[(1, 101810020), (2, 50905010), (4, 25452505), (5, 20362004), (10, 10181002), (13, 7831540), (20, 5090501), (26, 3915770), (52, 1957885), (65, 1566308), (101, 1008020), (130, 783154), (202, 504010), (260, 391577), (404, 252005), (505, 201604), (1010, 100802), (1313, 77540), (2020, 50401), (2626, 38770), (3877, 26260), (5252, 19385), (6565, 15508), (7754, 13130)]