23190760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 54331200

約数和(自身を除く): 31140440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 139, 172, 194, 215, 278, 344, 388, 430, 485, 556, 695, 776, 860, 970, 1112, 1390, 1720, 1940, 2780, 3880, 4171, 5560, 5977, 8342, 11954, 13483, 16684, 20855, 23908, 26966, 29885, 33368, 41710, 47816, 53932, 59770, 67415, 83420, 107864, 119540, 134830, 166840, 239080, 269660, 539320, 579769, 1159538, 2319076, 2898845, 4638152, 5797690, 11595380, 23190760]

約数ペア:

[(1, 23190760), (2, 11595380), (4, 5797690), (5, 4638152), (8, 2898845), (10, 2319076), (20, 1159538), (40, 579769), (43, 539320), (86, 269660), (97, 239080), (139, 166840), (172, 134830), (194, 119540), (215, 107864), (278, 83420), (344, 67415), (388, 59770), (430, 53932), (485, 47816), (556, 41710), (695, 33368), (776, 29885), (860, 26966), (970, 23908), (1112, 20855), (1390, 16684), (1720, 13483), (1940, 11954), (2780, 8342), (3880, 5977), (4171, 5560)]