880166540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1\times {\mathrm{2897}}^1$

素因数の和:4298

約数の個数: 48

約数和(自身を含む): 2018538144

約数和(自身を除く): 1138371604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1381, 2762, 2897, 5524, 5794, 6905, 11588, 13810, 14485, 15191, 27620, 28970, 30382, 31867, 57940, 60764, 63734, 75955, 127468, 151910, 159335, 303820, 318670, 637340, 4000757, 8001514, 16003028, 20003785, 40007570, 44008327, 80015140, 88016654, 176033308, 220041635, 440083270, 880166540]

約数ペア:

[(1, 880166540), (2, 440083270), (4, 220041635), (5, 176033308), (10, 88016654), (11, 80015140), (20, 44008327), (22, 40007570), (44, 20003785), (55, 16003028), (110, 8001514), (220, 4000757), (1381, 637340), (2762, 318670), (2897, 303820), (5524, 159335), (5794, 151910), (6905, 127468), (11588, 75955), (13810, 63734), (14485, 60764), (15191, 57940), (27620, 31867), (28970, 30382)]