820217609920

素因数分解:

$2^6\times 5^1\times {\mathrm{9013}}^1\times {\mathrm{284387}}^1$

素因数の和:293417

約数の個数: 56

約数和(自身を含む): 1953366755184

約数和(自身を除く): 1133149145264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 284387, 288416, 360520, 568774, 576832, 721040, 1137548, 1421935, 1442080, 2275096, 2843870, 2884160, 4550192, 5687740, 9100384, 11375480, 18200768, 22750960, 45501920, 91003840, 2563180031, 5126360062, 10252720124, 12815900155, 20505440248, 25631800310, 41010880496, 51263600620, 82021760992, 102527201240, 164043521984, 205054402480, 410108804960, 820217609920]

約数ペア:

[(1, 820217609920), (2, 410108804960), (4, 205054402480), (5, 164043521984), (8, 102527201240), (10, 82021760992), (16, 51263600620), (20, 41010880496), (32, 25631800310), (40, 20505440248), (64, 12815900155), (80, 10252720124), (160, 5126360062), (320, 2563180031), (9013, 91003840), (18026, 45501920), (36052, 22750960), (45065, 18200768), (72104, 11375480), (90130, 9100384), (144208, 5687740), (180260, 4550192), (284387, 2884160), (288416, 2843870), (360520, 2275096), (568774, 1442080), (576832, 1421935), (721040, 1137548)]