25206805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 9113579

約数列:

[1, 5, 13, 37, 47, 65, 185, 223, 235, 481, 611, 1115, 1739, 2405, 2899, 3055, 8251, 8695, 10481, 14495, 22607, 41255, 52405, 107263, 113035, 136253, 387797, 536315, 681265, 1938985, 5041361, 25206805]

約数ペア:

[(1, 25206805), (5, 5041361), (13, 1938985), (37, 681265), (47, 536315), (65, 387797), (185, 136253), (223, 113035), (235, 107263), (481, 52405), (611, 41255), (1115, 22607), (1739, 14495), (2405, 10481), (2899, 8695), (3055, 8251)]