220160560

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2777}}^1$

素因数の和:3781

約数の個数: 40

約数和(自身を含む): 512574336

約数和(自身を除く): 292413776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 2777, 3964, 4955, 5554, 7928, 9910, 11108, 13885, 15856, 19820, 22216, 27770, 39640, 44432, 55540, 79280, 111080, 222160, 2752007, 5504014, 11008028, 13760035, 22016056, 27520070, 44032112, 55040140, 110080280, 220160560]

約数ペア:

[(1, 220160560), (2, 110080280), (4, 55040140), (5, 44032112), (8, 27520070), (10, 22016056), (16, 13760035), (20, 11008028), (40, 5504014), (80, 2752007), (991, 222160), (1982, 111080), (2777, 79280), (3964, 55540), (4955, 44432), (5554, 39640), (7928, 27770), (9910, 22216), (11108, 19820), (13885, 15856)]