384920390320

素因数分解:

$2^4\times 5^1\times {\mathrm{4811504879}}^1$

素因数の和:4811504892

約数の個数: 20

約数和(自身を含む): 894939907680

約数和(自身を除く): 510019517360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4811504879, 9623009758, 19246019516, 24057524395, 38492039032, 48115048790, 76984078064, 96230097580, 192460195160, 384920390320]

約数ペア:

[(1, 384920390320), (2, 192460195160), (4, 96230097580), (5, 76984078064), (8, 48115048790), (10, 38492039032), (16, 24057524395), (20, 19246019516), (40, 9623009758), (80, 4811504879)]