13438000

素因数分解:

$2^4\times 5^3\times {\mathrm{6719}}^1$

素因数の和:6742

約数の個数: 40

約数和(自身を含む): 32497920

約数和(自身を除く): 19059920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6719, 13438, 26876, 33595, 53752, 67190, 107504, 134380, 167975, 268760, 335950, 537520, 671900, 839875, 1343800, 1679750, 2687600, 3359500, 6719000, 13438000]

約数ペア:

[(1, 13438000), (2, 6719000), (4, 3359500), (5, 2687600), (8, 1679750), (10, 1343800), (16, 839875), (20, 671900), (25, 537520), (40, 335950), (50, 268760), (80, 167975), (100, 134380), (125, 107504), (200, 67190), (250, 53752), (400, 33595), (500, 26876), (1000, 13438), (2000, 6719)]