12513880

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1163}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 28285200

約数和(自身を除く): 15771320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1163, 1345, 2152, 2326, 2690, 4652, 5380, 5815, 9304, 10760, 11630, 23260, 46520, 312847, 625694, 1251388, 1564235, 2502776, 3128470, 6256940, 12513880]

約数ペア:

[(1, 12513880), (2, 6256940), (4, 3128470), (5, 2502776), (8, 1564235), (10, 1251388), (20, 625694), (40, 312847), (269, 46520), (538, 23260), (1076, 11630), (1163, 10760), (1345, 9304), (2152, 5815), (2326, 5380), (2690, 4652)]