2891925560

素因数分解:

$2^3\times 5^1\times {\mathrm{72298139}}^1$

素因数の和:72298150

約数の個数: 16

約数和(自身を含む): 6506832600

約数和(自身を除く): 3614907040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72298139, 144596278, 289192556, 361490695, 578385112, 722981390, 1445962780, 2891925560]

約数ペア:

[(1, 2891925560), (2, 1445962780), (4, 722981390), (5, 578385112), (8, 361490695), (10, 289192556), (20, 144596278), (40, 72298139)]