80428640

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3329}}^1$

素因数の和:3495

約数の個数: 48

約数和(自身を含む): 191328480

約数和(自身を除く): 110899840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1510, 2416, 3020, 3329, 4832, 6040, 6658, 12080, 13316, 16645, 24160, 26632, 33290, 53264, 66580, 106528, 133160, 266320, 502679, 532640, 1005358, 2010716, 2513395, 4021432, 5026790, 8042864, 10053580, 16085728, 20107160, 40214320, 80428640]

約数ペア:

[(1, 80428640), (2, 40214320), (4, 20107160), (5, 16085728), (8, 10053580), (10, 8042864), (16, 5026790), (20, 4021432), (32, 2513395), (40, 2010716), (80, 1005358), (151, 532640), (160, 502679), (302, 266320), (604, 133160), (755, 106528), (1208, 66580), (1510, 53264), (2416, 33290), (3020, 26632), (3329, 24160), (4832, 16645), (6040, 13316), (6658, 12080)]