86822780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20810

約数の個数: 48

約数和(自身を含む): 209381760

約数和(自身を除く): 122558980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20771, 41542, 83084, 103855, 207710, 228481, 394649, 415420, 456962, 789298, 913924, 1142405, 1578596, 1973245, 2284810, 3946490, 4341139, 4569620, 7892980, 8682278, 17364556, 21705695, 43411390, 86822780]

約数ペア:

[(1, 86822780), (2, 43411390), (4, 21705695), (5, 17364556), (10, 8682278), (11, 7892980), (19, 4569620), (20, 4341139), (22, 3946490), (38, 2284810), (44, 1973245), (55, 1578596), (76, 1142405), (95, 913924), (110, 789298), (190, 456962), (209, 415420), (220, 394649), (380, 228481), (418, 207710), (836, 103855), (1045, 83084), (2090, 41542), (4180, 20771)]