218120680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{65699}}^1$

素因数の和:65793

約数の個数: 32

約数和(自身を含む): 496692000

約数和(自身を除く): 278571320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 65699, 131398, 262796, 328495, 525592, 656990, 1313980, 2627960, 5453017, 10906034, 21812068, 27265085, 43624136, 54530170, 109060340, 218120680]

約数ペア:

[(1, 218120680), (2, 109060340), (4, 54530170), (5, 43624136), (8, 27265085), (10, 21812068), (20, 10906034), (40, 5453017), (83, 2627960), (166, 1313980), (332, 656990), (415, 525592), (664, 328495), (830, 262796), (1660, 131398), (3320, 65699)]