7162220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 16393440

約数和(自身を除く): 9231220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 169, 260, 326, 338, 652, 676, 815, 845, 1630, 1690, 2119, 2197, 3260, 3380, 4238, 4394, 8476, 8788, 10595, 10985, 21190, 21970, 27547, 42380, 43940, 55094, 110188, 137735, 275470, 358111, 550940, 716222, 1432444, 1790555, 3581110, 7162220]

約数ペア:

[(1, 7162220), (2, 3581110), (4, 1790555), (5, 1432444), (10, 716222), (13, 550940), (20, 358111), (26, 275470), (52, 137735), (65, 110188), (130, 55094), (163, 43940), (169, 42380), (260, 27547), (326, 21970), (338, 21190), (652, 10985), (676, 10595), (815, 8788), (845, 8476), (1630, 4394), (1690, 4238), (2119, 3380), (2197, 3260)]