245489680

素因数分解:

$2^4\times 5^1\times {\mathrm{3068621}}^1$

素因数の和:3068634

約数の個数: 20

約数和(自身を含む): 570763692

約数和(自身を除く): 325274012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3068621, 6137242, 12274484, 15343105, 24548968, 30686210, 49097936, 61372420, 122744840, 245489680]

約数ペア:

[(1, 245489680), (2, 122744840), (4, 61372420), (5, 49097936), (8, 30686210), (10, 24548968), (16, 15343105), (20, 12274484), (40, 6137242), (80, 3068621)]