7131507640

素因数分解:

$2^3\times 5^1\times {\mathrm{8377}}^1\times {\mathrm{21283}}^1$

素因数の和:29671

約数の個数: 32

約数和(自身を含む): 16048561680

約数和(自身を除く): 8917054040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8377, 16754, 21283, 33508, 41885, 42566, 67016, 83770, 85132, 106415, 167540, 170264, 212830, 335080, 425660, 851320, 178287691, 356575382, 713150764, 891438455, 1426301528, 1782876910, 3565753820, 7131507640]

約数ペア:

[(1, 7131507640), (2, 3565753820), (4, 1782876910), (5, 1426301528), (8, 891438455), (10, 713150764), (20, 356575382), (40, 178287691), (8377, 851320), (16754, 425660), (21283, 335080), (33508, 212830), (41885, 170264), (42566, 167540), (67016, 106415), (83770, 85132)]