79638980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44741}}^1$

素因数の和:44839

約数の個数: 24

約数和(自身を含む): 169124760

約数和(自身を除く): 89485780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 44741, 89482, 178964, 223705, 447410, 894820, 3981949, 7963898, 15927796, 19909745, 39819490, 79638980]

約数ペア:

[(1, 79638980), (2, 39819490), (4, 19909745), (5, 15927796), (10, 7963898), (20, 3981949), (89, 894820), (178, 447410), (356, 223705), (445, 178964), (890, 89482), (1780, 44741)]