61554320

素因数分解:

$2^4\times 5^1\times {\mathrm{769429}}^1$

素因数の和:769442

約数の個数: 20

約数和(自身を含む): 143113980

約数和(自身を除く): 81559660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769429, 1538858, 3077716, 3847145, 6155432, 7694290, 12310864, 15388580, 30777160, 61554320]

約数ペア:

[(1, 61554320), (2, 30777160), (4, 15388580), (5, 12310864), (8, 7694290), (10, 6155432), (16, 3847145), (20, 3077716), (40, 1538858), (80, 769429)]