15697895120

素因数分解:

$2^4\times 5^1\times {\mathrm{196223689}}^1$

素因数の和:196223702

約数の個数: 20

約数和(自身を含む): 36497606340

約数和(自身を除く): 20799711220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196223689, 392447378, 784894756, 981118445, 1569789512, 1962236890, 3139579024, 3924473780, 7848947560, 15697895120]

約数ペア:

[(1, 15697895120), (2, 7848947560), (4, 3924473780), (5, 3139579024), (8, 1962236890), (10, 1569789512), (16, 981118445), (20, 784894756), (40, 392447378), (80, 196223689)]