31765580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20627}}^1$

素因数の和:20654

約数の個数: 48

約数和(自身を含む): 83172096

約数和(自身を除く): 51406516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20627, 41254, 82508, 103135, 144389, 206270, 226897, 288778, 412540, 453794, 577556, 721945, 907588, 1134485, 1443890, 1588279, 2268970, 2887780, 3176558, 4537940, 6353116, 7941395, 15882790, 31765580]

約数ペア:

[(1, 31765580), (2, 15882790), (4, 7941395), (5, 6353116), (7, 4537940), (10, 3176558), (11, 2887780), (14, 2268970), (20, 1588279), (22, 1443890), (28, 1134485), (35, 907588), (44, 721945), (55, 577556), (70, 453794), (77, 412540), (110, 288778), (140, 226897), (154, 206270), (220, 144389), (308, 103135), (385, 82508), (770, 41254), (1540, 20627)]