67485640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20327}}^1$

素因数の和:20421

約数の個数: 32

約数和(自身を含む): 153679680

約数和(自身を除く): 86194040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20327, 40654, 81308, 101635, 162616, 203270, 406540, 813080, 1687141, 3374282, 6748564, 8435705, 13497128, 16871410, 33742820, 67485640]

約数ペア:

[(1, 67485640), (2, 33742820), (4, 16871410), (5, 13497128), (8, 8435705), (10, 6748564), (20, 3374282), (40, 1687141), (83, 813080), (166, 406540), (332, 203270), (415, 162616), (664, 101635), (830, 81308), (1660, 40654), (3320, 20327)]