140021120

素因数分解:

$2^7\times 5^1\times {\mathrm{218783}}^1$

素因数の和:218802

約数の個数: 32

約数和(自身を含む): 334739520

約数和(自身を除く): 194718400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 218783, 437566, 875132, 1093915, 1750264, 2187830, 3500528, 4375660, 7001056, 8751320, 14002112, 17502640, 28004224, 35005280, 70010560, 140021120]

約数ペア:

[(1, 140021120), (2, 70010560), (4, 35005280), (5, 28004224), (8, 17502640), (10, 14002112), (16, 8751320), (20, 7001056), (32, 4375660), (40, 3500528), (64, 2187830), (80, 1750264), (128, 1093915), (160, 875132), (320, 437566), (640, 218783)]