518489420

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{53233}}^1$

素因数の和:53729

約数の個数: 24

約数和(自身を含む): 1091084064

約数和(自身を除く): 572594644

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 53233, 106466, 212932, 266165, 532330, 1064660, 25924471, 51848942, 103697884, 129622355, 259244710, 518489420]

約数ペア:

[(1, 518489420), (2, 259244710), (4, 129622355), (5, 103697884), (10, 51848942), (20, 25924471), (487, 1064660), (974, 532330), (1948, 266165), (2435, 212932), (4870, 106466), (9740, 53233)]