80494270

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 147744000

約数和(自身を除く): 67249730

約数列:

[1, 2, 5, 10, 89, 149, 178, 298, 445, 607, 745, 890, 1214, 1490, 3035, 6070, 13261, 26522, 54023, 66305, 90443, 108046, 132610, 180886, 270115, 452215, 540230, 904430, 8049427, 16098854, 40247135, 80494270]

約数ペア:

[(1, 80494270), (2, 40247135), (5, 16098854), (10, 8049427), (89, 904430), (149, 540230), (178, 452215), (298, 270115), (445, 180886), (607, 132610), (745, 108046), (890, 90443), (1214, 66305), (1490, 54023), (3035, 26522), (6070, 13261)]