4858780

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 10246320

約数和(自身を除く): 5387540

約数列:

[1, 2, 4, 5, 10, 20, 379, 641, 758, 1282, 1516, 1895, 2564, 3205, 3790, 6410, 7580, 12820, 242939, 485878, 971756, 1214695, 2429390, 4858780]

約数ペア:

[(1, 4858780), (2, 2429390), (4, 1214695), (5, 971756), (10, 485878), (20, 242939), (379, 12820), (641, 7580), (758, 6410), (1282, 3790), (1516, 3205), (1895, 2564)]