90136520

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{8377}}^1$

素因数の和:8657

約数の個数: 32

約数和(自身を含む): 203585400

約数和(自身を除く): 113448880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 8377, 10760, 16754, 33508, 41885, 67016, 83770, 167540, 335080, 2253413, 4506826, 9013652, 11267065, 18027304, 22534130, 45068260, 90136520]

約数ペア:

[(1, 90136520), (2, 45068260), (4, 22534130), (5, 18027304), (8, 11267065), (10, 9013652), (20, 4506826), (40, 2253413), (269, 335080), (538, 167540), (1076, 83770), (1345, 67016), (2152, 41885), (2690, 33508), (5380, 16754), (8377, 10760)]