89639720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 215136000

約数和(自身を除く): 125496280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1493, 1501, 1580, 2986, 3002, 3160, 5972, 6004, 7465, 7505, 11944, 12008, 14930, 15010, 28367, 29860, 30020, 56734, 59720, 60040, 113468, 117947, 141835, 226936, 235894, 283670, 471788, 567340, 589735, 943576, 1134680, 1179470, 2240993, 2358940, 4481986, 4717880, 8963972, 11204965, 17927944, 22409930, 44819860, 89639720]

約数ペア:

[(1, 89639720), (2, 44819860), (4, 22409930), (5, 17927944), (8, 11204965), (10, 8963972), (19, 4717880), (20, 4481986), (38, 2358940), (40, 2240993), (76, 1179470), (79, 1134680), (95, 943576), (152, 589735), (158, 567340), (190, 471788), (316, 283670), (380, 235894), (395, 226936), (632, 141835), (760, 117947), (790, 113468), (1493, 60040), (1501, 59720), (1580, 56734), (2986, 30020), (3002, 29860), (3160, 28367), (5972, 15010), (6004, 14930), (7465, 12008), (7505, 11944)]