12830900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4184

約数の個数: 36

約数和(自身を含む): 28748160

約数和(自身を除く): 15917260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 4139, 8278, 16556, 20695, 41390, 82780, 103475, 128309, 206950, 256618, 413900, 513236, 641545, 1283090, 2566180, 3207725, 6415450, 12830900]

約数ペア:

[(1, 12830900), (2, 6415450), (4, 3207725), (5, 2566180), (10, 1283090), (20, 641545), (25, 513236), (31, 413900), (50, 256618), (62, 206950), (100, 128309), (124, 103475), (155, 82780), (310, 41390), (620, 20695), (775, 16556), (1550, 8278), (3100, 4139)]