81600620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{49157}}^1$

素因数の和:49249

約数の個数: 24

約数和(自身を含む): 173429424

約数和(自身を除く): 91828804

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 49157, 98314, 196628, 245785, 491570, 983140, 4080031, 8160062, 16320124, 20400155, 40800310, 81600620]

約数ペア:

[(1, 81600620), (2, 40800310), (4, 20400155), (5, 16320124), (10, 8160062), (20, 4080031), (83, 983140), (166, 491570), (332, 245785), (415, 196628), (830, 98314), (1660, 49157)]