39389080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7517}}^1$

素因数の和:7659

約数の個数: 32

約数和(自身を含む): 89313840

約数和(自身を除く): 49924760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 7517, 15034, 30068, 37585, 60136, 75170, 150340, 300680, 984727, 1969454, 3938908, 4923635, 7877816, 9847270, 19694540, 39389080]

約数ペア:

[(1, 39389080), (2, 19694540), (4, 9847270), (5, 7877816), (8, 4923635), (10, 3938908), (20, 1969454), (40, 984727), (131, 300680), (262, 150340), (524, 75170), (655, 60136), (1048, 37585), (1310, 30068), (2620, 15034), (5240, 7517)]