27681440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10177}}^1$

素因数の和:10209

約数の個数: 48

約数和(自身を含む): 69251112

約数和(自身を除く): 41569672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10177, 20354, 40708, 50885, 81416, 101770, 162832, 173009, 203540, 325664, 346018, 407080, 692036, 814160, 865045, 1384072, 1628320, 1730090, 2768144, 3460180, 5536288, 6920360, 13840720, 27681440]

約数ペア:

[(1, 27681440), (2, 13840720), (4, 6920360), (5, 5536288), (8, 3460180), (10, 2768144), (16, 1730090), (17, 1628320), (20, 1384072), (32, 865045), (34, 814160), (40, 692036), (68, 407080), (80, 346018), (85, 325664), (136, 203540), (160, 173009), (170, 162832), (272, 101770), (340, 81416), (544, 50885), (680, 40708), (1360, 20354), (2720, 10177)]