156913040

素因数分解:

$2^4\times 5^1\times {\mathrm{1961413}}^1$

素因数の和:1961426

約数の個数: 20

約数和(自身を含む): 364823004

約数和(自身を除く): 207909964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961413, 3922826, 7845652, 9807065, 15691304, 19614130, 31382608, 39228260, 78456520, 156913040]

約数ペア:

[(1, 156913040), (2, 78456520), (4, 39228260), (5, 31382608), (8, 19614130), (10, 15691304), (16, 9807065), (20, 7845652), (40, 3922826), (80, 1961413)]