27386980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 33859100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 743, 970, 1486, 1843, 1940, 2972, 3686, 3715, 7372, 7430, 9215, 14117, 14860, 18430, 28234, 36860, 56468, 70585, 72071, 141170, 144142, 282340, 288284, 360355, 720710, 1369349, 1441420, 2738698, 5477396, 6846745, 13693490, 27386980]

約数ペア:

[(1, 27386980), (2, 13693490), (4, 6846745), (5, 5477396), (10, 2738698), (19, 1441420), (20, 1369349), (38, 720710), (76, 360355), (95, 288284), (97, 282340), (190, 144142), (194, 141170), (380, 72071), (388, 70585), (485, 56468), (743, 36860), (970, 28234), (1486, 18430), (1843, 14860), (1940, 14117), (2972, 9215), (3686, 7430), (3715, 7372)]