23999740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 51861600

約数和(自身を除く): 27861860

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 139, 178, 194, 278, 356, 388, 445, 485, 556, 695, 890, 970, 1390, 1780, 1940, 2780, 8633, 12371, 13483, 17266, 24742, 26966, 34532, 43165, 49484, 53932, 61855, 67415, 86330, 123710, 134830, 172660, 247420, 269660, 1199987, 2399974, 4799948, 5999935, 11999870, 23999740]

約数ペア:

[(1, 23999740), (2, 11999870), (4, 5999935), (5, 4799948), (10, 2399974), (20, 1199987), (89, 269660), (97, 247420), (139, 172660), (178, 134830), (194, 123710), (278, 86330), (356, 67415), (388, 61855), (445, 53932), (485, 49484), (556, 43165), (695, 34532), (890, 26966), (970, 24742), (1390, 17266), (1780, 13483), (1940, 12371), (2780, 8633)]