28396000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 43938080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 229, 248, 250, 310, 400, 458, 496, 500, 620, 775, 800, 916, 992, 1000, 1145, 1240, 1550, 1832, 2000, 2290, 2480, 3100, 3664, 3875, 4000, 4580, 4960, 5725, 6200, 7099, 7328, 7750, 9160, 11450, 12400, 14198, 15500, 18320, 22900, 24800, 28396, 28625, 31000, 35495, 36640, 45800, 56792, 57250, 62000, 70990, 91600, 113584, 114500, 124000, 141980, 177475, 183200, 227168, 229000, 283960, 354950, 458000, 567920, 709900, 887375, 916000, 1135840, 1419800, 1774750, 2839600, 3549500, 5679200, 7099000, 14198000, 28396000]

約数ペア:

[(1, 28396000), (2, 14198000), (4, 7099000), (5, 5679200), (8, 3549500), (10, 2839600), (16, 1774750), (20, 1419800), (25, 1135840), (31, 916000), (32, 887375), (40, 709900), (50, 567920), (62, 458000), (80, 354950), (100, 283960), (124, 229000), (125, 227168), (155, 183200), (160, 177475), (200, 141980), (229, 124000), (248, 114500), (250, 113584), (310, 91600), (400, 70990), (458, 62000), (496, 57250), (500, 56792), (620, 45800), (775, 36640), (800, 35495), (916, 31000), (992, 28625), (1000, 28396), (1145, 24800), (1240, 22900), (1550, 18320), (1832, 15500), (2000, 14198), (2290, 12400), (2480, 11450), (3100, 9160), (3664, 7750), (3875, 7328), (4000, 7099), (4580, 6200), (4960, 5725)]