127979420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{10141}}^1$

素因数の和:10781

約数の個数: 24

約数和(自身を含む): 269209248

約数和(自身を除く): 141229828

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 10141, 12620, 20282, 40564, 50705, 101410, 202820, 6398971, 12797942, 25595884, 31994855, 63989710, 127979420]

約数ペア:

[(1, 127979420), (2, 63989710), (4, 31994855), (5, 25595884), (10, 12797942), (20, 6398971), (631, 202820), (1262, 101410), (2524, 50705), (3155, 40564), (6310, 20282), (10141, 12620)]