25138180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12203}}^1$

素因数の和:12315

約数の個数: 24

約数和(自身を含む): 53307072

約数和(自身を除く): 28168892

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 12203, 24406, 48812, 61015, 122030, 244060, 1256909, 2513818, 5027636, 6284545, 12569090, 25138180]

約数ペア:

[(1, 25138180), (2, 12569090), (4, 6284545), (5, 5027636), (10, 2513818), (20, 1256909), (103, 244060), (206, 122030), (412, 61015), (515, 48812), (1030, 24406), (2060, 12203)]