18776080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 27363824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 113, 124, 134, 155, 226, 248, 268, 310, 335, 452, 496, 536, 565, 620, 670, 904, 1072, 1130, 1240, 1340, 1808, 2077, 2260, 2480, 2680, 3503, 4154, 4520, 5360, 7006, 7571, 8308, 9040, 10385, 14012, 15142, 16616, 17515, 20770, 28024, 30284, 33232, 35030, 37855, 41540, 56048, 60568, 70060, 75710, 83080, 121136, 140120, 151420, 166160, 234701, 280240, 302840, 469402, 605680, 938804, 1173505, 1877608, 2347010, 3755216, 4694020, 9388040, 18776080]

約数ペア:

[(1, 18776080), (2, 9388040), (4, 4694020), (5, 3755216), (8, 2347010), (10, 1877608), (16, 1173505), (20, 938804), (31, 605680), (40, 469402), (62, 302840), (67, 280240), (80, 234701), (113, 166160), (124, 151420), (134, 140120), (155, 121136), (226, 83080), (248, 75710), (268, 70060), (310, 60568), (335, 56048), (452, 41540), (496, 37855), (536, 35030), (565, 33232), (620, 30284), (670, 28024), (904, 20770), (1072, 17515), (1130, 16616), (1240, 15142), (1340, 14012), (1808, 10385), (2077, 9040), (2260, 8308), (2480, 7571), (2680, 7006), (3503, 5360), (4154, 4520)]