27680080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20353}}^1$

素因数の和:20383

約数の個数: 40

約数和(自身を含む): 68145192

約数和(自身を除く): 40465112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20353, 40706, 81412, 101765, 162824, 203530, 325648, 346001, 407060, 692002, 814120, 1384004, 1628240, 1730005, 2768008, 3460010, 5536016, 6920020, 13840040, 27680080]

約数ペア:

[(1, 27680080), (2, 13840040), (4, 6920020), (5, 5536016), (8, 3460010), (10, 2768008), (16, 1730005), (17, 1628240), (20, 1384004), (34, 814120), (40, 692002), (68, 407060), (80, 346001), (85, 325648), (136, 203530), (170, 162824), (272, 101765), (340, 81412), (680, 40706), (1360, 20353)]