5123540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 11524800

約数和(自身を除く): 6401260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 139, 190, 194, 278, 380, 388, 485, 556, 695, 970, 1390, 1843, 1940, 2641, 2780, 3686, 5282, 7372, 9215, 10564, 13205, 13483, 18430, 26410, 26966, 36860, 52820, 53932, 67415, 134830, 256177, 269660, 512354, 1024708, 1280885, 2561770, 5123540]

約数ペア:

[(1, 5123540), (2, 2561770), (4, 1280885), (5, 1024708), (10, 512354), (19, 269660), (20, 256177), (38, 134830), (76, 67415), (95, 53932), (97, 52820), (139, 36860), (190, 26966), (194, 26410), (278, 18430), (380, 13483), (388, 13205), (485, 10564), (556, 9215), (695, 7372), (970, 5282), (1390, 3686), (1843, 2780), (1940, 2641)]