2581410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6619}}^1$

素因数の和:6642

約数の個数: 32

約数和(自身を含む): 6672960

約数和(自身を除く): 4091550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6619, 13238, 19857, 33095, 39714, 66190, 86047, 99285, 172094, 198570, 258141, 430235, 516282, 860470, 1290705, 2581410]

約数ペア:

[(1, 2581410), (2, 1290705), (3, 860470), (5, 516282), (6, 430235), (10, 258141), (13, 198570), (15, 172094), (26, 99285), (30, 86047), (39, 66190), (65, 39714), (78, 33095), (130, 19857), (195, 13238), (390, 6619)]