77400620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1$

素因数の和:8642

約数の個数: 48

約数和(自身を含む): 181663776

約数和(自身を除く): 104263156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 8581, 9020, 17162, 34324, 42905, 85810, 94391, 171620, 188782, 351821, 377564, 471955, 703642, 943910, 1407284, 1759105, 1887820, 3518210, 3870031, 7036420, 7740062, 15480124, 19350155, 38700310, 77400620]

約数ペア:

[(1, 77400620), (2, 38700310), (4, 19350155), (5, 15480124), (10, 7740062), (11, 7036420), (20, 3870031), (22, 3518210), (41, 1887820), (44, 1759105), (55, 1407284), (82, 943910), (110, 703642), (164, 471955), (205, 377564), (220, 351821), (410, 188782), (451, 171620), (820, 94391), (902, 85810), (1804, 42905), (2255, 34324), (4510, 17162), (8581, 9020)]