7400380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28463}}^1$

素因数の和:28485

約数の個数: 24

約数和(自身を含む): 16736832

約数和(自身を除く): 9336452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28463, 56926, 113852, 142315, 284630, 370019, 569260, 740038, 1480076, 1850095, 3700190, 7400380]

約数ペア:

[(1, 7400380), (2, 3700190), (4, 1850095), (5, 1480076), (10, 740038), (13, 569260), (20, 370019), (26, 284630), (52, 142315), (65, 113852), (130, 56926), (260, 28463)]