25430990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 50240736

約数和(自身を除く): 24809746

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 3691, 6890, 7382, 18455, 36910, 47983, 95966, 195623, 239915, 391246, 479830, 978115, 1956230, 2543099, 5086198, 12715495, 25430990]

約数ペア:

[(1, 25430990), (2, 12715495), (5, 5086198), (10, 2543099), (13, 1956230), (26, 978115), (53, 479830), (65, 391246), (106, 239915), (130, 195623), (265, 95966), (530, 47983), (689, 36910), (1378, 18455), (3445, 7382), (3691, 6890)]