7812520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11517

約数の個数: 32

約数和(自身を含む): 18613800

約数和(自身を除く): 10801280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11489, 22978, 45956, 57445, 91912, 114890, 195313, 229780, 390626, 459560, 781252, 976565, 1562504, 1953130, 3906260, 7812520]

約数ペア:

[(1, 7812520), (2, 3906260), (4, 1953130), (5, 1562504), (8, 976565), (10, 781252), (17, 459560), (20, 390626), (34, 229780), (40, 195313), (68, 114890), (85, 91912), (136, 57445), (170, 45956), (340, 22978), (680, 11489)]