87700990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10069}}^1$

素因数の和:10156

約数の個数: 32

約数和(自身を含む): 172559520

約数和(自身を除く): 84858530

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 10069, 20138, 50345, 100690, 130897, 261794, 654485, 674623, 1308970, 1349246, 3373115, 6746230, 8770099, 17540198, 43850495, 87700990]

約数ペア:

[(1, 87700990), (2, 43850495), (5, 17540198), (10, 8770099), (13, 6746230), (26, 3373115), (65, 1349246), (67, 1308970), (130, 674623), (134, 654485), (335, 261794), (670, 130897), (871, 100690), (1742, 50345), (4355, 20138), (8710, 10069)]