25051940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 30589660

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 919, 940, 1363, 1838, 2726, 3676, 4595, 5452, 6815, 9190, 13630, 18380, 26651, 27260, 43193, 53302, 86386, 106604, 133255, 172772, 215965, 266510, 431930, 533020, 863860, 1252597, 2505194, 5010388, 6262985, 12525970, 25051940]

約数ペア:

[(1, 25051940), (2, 12525970), (4, 6262985), (5, 5010388), (10, 2505194), (20, 1252597), (29, 863860), (47, 533020), (58, 431930), (94, 266510), (116, 215965), (145, 172772), (188, 133255), (235, 106604), (290, 86386), (470, 53302), (580, 43193), (919, 27260), (940, 26651), (1363, 18380), (1838, 13630), (2726, 9190), (3676, 6815), (4595, 5452)]