22079480

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 49818240

約数和(自身を除く): 27738760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 991, 1114, 1982, 2228, 2785, 3964, 4456, 4955, 5570, 7928, 9910, 11140, 19820, 22280, 39640, 551987, 1103974, 2207948, 2759935, 4415896, 5519870, 11039740, 22079480]

約数ペア:

[(1, 22079480), (2, 11039740), (4, 5519870), (5, 4415896), (8, 2759935), (10, 2207948), (20, 1103974), (40, 551987), (557, 39640), (991, 22280), (1114, 19820), (1982, 11140), (2228, 9910), (2785, 7928), (3964, 5570), (4456, 4955)]