27780040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40853}}^1$

素因数の和:40881

約数の個数: 32

約数和(自身を含む): 66183480

約数和(自身を除く): 38403440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 40853, 81706, 163412, 204265, 326824, 408530, 694501, 817060, 1389002, 1634120, 2778004, 3472505, 5556008, 6945010, 13890020, 27780040]

約数ペア:

[(1, 27780040), (2, 13890020), (4, 6945010), (5, 5556008), (8, 3472505), (10, 2778004), (17, 1634120), (20, 1389002), (34, 817060), (40, 694501), (68, 408530), (85, 326824), (136, 204265), (170, 163412), (340, 81706), (680, 40853)]