1640987630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{47717}}^1$

素因数の和:47924

約数の個数: 32

約数和(自身を含む): 3126483360

約数和(自身を除く): 1485495730

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 6878, 17195, 34390, 47717, 95434, 238585, 477170, 906623, 1813246, 4533115, 8636777, 9066230, 17273554, 43183885, 86367770, 164098763, 328197526, 820493815, 1640987630]

約数ペア:

[(1, 1640987630), (2, 820493815), (5, 328197526), (10, 164098763), (19, 86367770), (38, 43183885), (95, 17273554), (181, 9066230), (190, 8636777), (362, 4533115), (905, 1813246), (1810, 906623), (3439, 477170), (6878, 238585), (17195, 95434), (34390, 47717)]