2018195440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{376529}}^1$

素因数の和:376609

約数の個数: 40

約数和(自身を含む): 4762351440

約数和(自身を除く): 2744156000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 376529, 753058, 1506116, 1882645, 3012232, 3765290, 6024464, 7530580, 15061160, 25227443, 30122320, 50454886, 100909772, 126137215, 201819544, 252274430, 403639088, 504548860, 1009097720, 2018195440]

約数ペア:

[(1, 2018195440), (2, 1009097720), (4, 504548860), (5, 403639088), (8, 252274430), (10, 201819544), (16, 126137215), (20, 100909772), (40, 50454886), (67, 30122320), (80, 25227443), (134, 15061160), (268, 7530580), (335, 6024464), (536, 3765290), (670, 3012232), (1072, 1882645), (1340, 1506116), (2680, 753058), (5360, 376529)]