25578740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 33389260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 466, 499, 932, 998, 1165, 1996, 2330, 2495, 2563, 4660, 4990, 5126, 5489, 9980, 10252, 10978, 12815, 21956, 25630, 27445, 51260, 54890, 109780, 116267, 232534, 465068, 581335, 1162670, 1278937, 2325340, 2557874, 5115748, 6394685, 12789370, 25578740]

約数ペア:

[(1, 25578740), (2, 12789370), (4, 6394685), (5, 5115748), (10, 2557874), (11, 2325340), (20, 1278937), (22, 1162670), (44, 581335), (55, 465068), (110, 232534), (220, 116267), (233, 109780), (466, 54890), (499, 51260), (932, 27445), (998, 25630), (1165, 21956), (1996, 12815), (2330, 10978), (2495, 10252), (2563, 9980), (4660, 5489), (4990, 5126)]