157788571120

素因数分解:

$2^4\times 5^1\times {\mathrm{1972357139}}^1$

素因数の和:1972357152

約数の個数: 20

約数和(自身を含む): 366858428040

約数和(自身を除く): 209069856920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1972357139, 3944714278, 7889428556, 9861785695, 15778857112, 19723571390, 31557714224, 39447142780, 78894285560, 157788571120]

約数ペア:

[(1, 157788571120), (2, 78894285560), (4, 39447142780), (5, 31557714224), (8, 19723571390), (10, 15778857112), (16, 9861785695), (20, 7889428556), (40, 3944714278), (80, 1972357139)]