70769960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24919}}^1$

素因数の和:25001

約数の個数: 32

約数和(自身を含む): 161481600

約数和(自身を除く): 90711640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24919, 49838, 99676, 124595, 199352, 249190, 498380, 996760, 1769249, 3538498, 7076996, 8846245, 14153992, 17692490, 35384980, 70769960]

約数ペア:

[(1, 70769960), (2, 35384980), (4, 17692490), (5, 14153992), (8, 8846245), (10, 7076996), (20, 3538498), (40, 1769249), (71, 996760), (142, 498380), (284, 249190), (355, 199352), (568, 124595), (710, 99676), (1420, 49838), (2840, 24919)]