27965680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20593

約数の個数: 40

約数和(自身を含む): 68848272

約数和(自身を除く): 40882592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20563, 41126, 82252, 102815, 164504, 205630, 329008, 349571, 411260, 699142, 822520, 1398284, 1645040, 1747855, 2796568, 3495710, 5593136, 6991420, 13982840, 27965680]

約数ペア:

[(1, 27965680), (2, 13982840), (4, 6991420), (5, 5593136), (8, 3495710), (10, 2796568), (16, 1747855), (17, 1645040), (20, 1398284), (34, 822520), (40, 699142), (68, 411260), (80, 349571), (85, 329008), (136, 205630), (170, 164504), (272, 102815), (340, 82252), (680, 41126), (1360, 20563)]