42497260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 97372800

約数和(自身を除く): 54875540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 2069, 4108, 4138, 5135, 8276, 10270, 10345, 20540, 20690, 26897, 41380, 53794, 107588, 134485, 163451, 268970, 326902, 537940, 653804, 817255, 1634510, 2124863, 3269020, 4249726, 8499452, 10624315, 21248630, 42497260]

約数ペア:

[(1, 42497260), (2, 21248630), (4, 10624315), (5, 8499452), (10, 4249726), (13, 3269020), (20, 2124863), (26, 1634510), (52, 817255), (65, 653804), (79, 537940), (130, 326902), (158, 268970), (260, 163451), (316, 134485), (395, 107588), (790, 53794), (1027, 41380), (1580, 26897), (2054, 20690), (2069, 20540), (4108, 10345), (4138, 10270), (5135, 8276)]