858884780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3303403}}^1$

素因数の和:3303425

約数の個数: 24

約数和(自身を含む): 1942401552

約数和(自身を除く): 1083516772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3303403, 6606806, 13213612, 16517015, 33034030, 42944239, 66068060, 85888478, 171776956, 214721195, 429442390, 858884780]

約数ペア:

[(1, 858884780), (2, 429442390), (4, 214721195), (5, 171776956), (10, 85888478), (13, 66068060), (20, 42944239), (26, 33034030), (52, 16517015), (65, 13213612), (130, 6606806), (260, 3303403)]