12783500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 28715232

約数和(自身を除く): 15931732

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 691, 740, 925, 1382, 1850, 2764, 3455, 3700, 4625, 6910, 9250, 13820, 17275, 18500, 25567, 34550, 51134, 69100, 86375, 102268, 127835, 172750, 255670, 345500, 511340, 639175, 1278350, 2556700, 3195875, 6391750, 12783500]

約数ペア:

[(1, 12783500), (2, 6391750), (4, 3195875), (5, 2556700), (10, 1278350), (20, 639175), (25, 511340), (37, 345500), (50, 255670), (74, 172750), (100, 127835), (125, 102268), (148, 86375), (185, 69100), (250, 51134), (370, 34550), (500, 25567), (691, 18500), (740, 17275), (925, 13820), (1382, 9250), (1850, 6910), (2764, 4625), (3455, 3700)]