31326160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3877}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 73573416

約数和(自身を除く): 42247256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3877, 4040, 7754, 8080, 15508, 19385, 31016, 38770, 62032, 77540, 155080, 310160, 391577, 783154, 1566308, 1957885, 3132616, 3915770, 6265232, 7831540, 15663080, 31326160]

約数ペア:

[(1, 31326160), (2, 15663080), (4, 7831540), (5, 6265232), (8, 3915770), (10, 3132616), (16, 1957885), (20, 1566308), (40, 783154), (80, 391577), (101, 310160), (202, 155080), (404, 77540), (505, 62032), (808, 38770), (1010, 31016), (1616, 19385), (2020, 15508), (3877, 8080), (4040, 7754)]