19942034120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7021843}}^1$

素因数の和:7021925

約数の個数: 32

約数和(自身を含む): 45501549120

約数和(自身を除く): 25559515000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7021843, 14043686, 28087372, 35109215, 56174744, 70218430, 140436860, 280873720, 498550853, 997101706, 1994203412, 2492754265, 3988406824, 4985508530, 9971017060, 19942034120]

約数ペア:

[(1, 19942034120), (2, 9971017060), (4, 4985508530), (5, 3988406824), (8, 2492754265), (10, 1994203412), (20, 997101706), (40, 498550853), (71, 280873720), (142, 140436860), (284, 70218430), (355, 56174744), (568, 35109215), (710, 28087372), (1420, 14043686), (2840, 7021843)]