78492079420

素因数分解:

$2^2\times 5^1\times {\mathrm{2017}}^1\times {\mathrm{1945763}}^1$

素因数の和:1947789

約数の個数: 24

約数和(自身を含む): 164915173584

約数和(自身を除く): 86423094164

約数列:

[1, 2, 4, 5, 10, 20, 2017, 4034, 8068, 10085, 20170, 40340, 1945763, 3891526, 7783052, 9728815, 19457630, 38915260, 3924603971, 7849207942, 15698415884, 19623019855, 39246039710, 78492079420]

約数ペア:

[(1, 78492079420), (2, 39246039710), (4, 19623019855), (5, 15698415884), (10, 7849207942), (20, 3924603971), (2017, 38915260), (4034, 19457630), (8068, 9728815), (10085, 7783052), (20170, 3891526), (40340, 1945763)]