80453004340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1\times {\mathrm{20809}}^1$

素因数の和:23344

約数の個数: 48

約数和(自身を含む): 171168076800

約数和(自身を除く): 90715072460

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2447, 4894, 9788, 12235, 20809, 24470, 41618, 48940, 83236, 104045, 193313, 208090, 386626, 416180, 773252, 966565, 1643911, 1933130, 3287822, 3866260, 6575644, 8219555, 16439110, 32878220, 50919623, 101839246, 203678492, 254598115, 509196230, 1018392460, 4022650217, 8045300434, 16090600868, 20113251085, 40226502170, 80453004340]

約数ペア:

[(1, 80453004340), (2, 40226502170), (4, 20113251085), (5, 16090600868), (10, 8045300434), (20, 4022650217), (79, 1018392460), (158, 509196230), (316, 254598115), (395, 203678492), (790, 101839246), (1580, 50919623), (2447, 32878220), (4894, 16439110), (9788, 8219555), (12235, 6575644), (20809, 3866260), (24470, 3287822), (41618, 1933130), (48940, 1643911), (83236, 966565), (104045, 773252), (193313, 416180), (208090, 386626)]