85389440

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 206311320

約数和(自身を除く): 120921880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1321, 1616, 2020, 2642, 3232, 4040, 5284, 6464, 6605, 8080, 10568, 12928, 13210, 16160, 21136, 26420, 32320, 42272, 52840, 64640, 84544, 105680, 133421, 169088, 211360, 266842, 422720, 533684, 667105, 845440, 1067368, 1334210, 2134736, 2668420, 4269472, 5336840, 8538944, 10673680, 17077888, 21347360, 42694720, 85389440]

約数ペア:

[(1, 85389440), (2, 42694720), (4, 21347360), (5, 17077888), (8, 10673680), (10, 8538944), (16, 5336840), (20, 4269472), (32, 2668420), (40, 2134736), (64, 1334210), (80, 1067368), (101, 845440), (128, 667105), (160, 533684), (202, 422720), (320, 266842), (404, 211360), (505, 169088), (640, 133421), (808, 105680), (1010, 84544), (1321, 64640), (1616, 52840), (2020, 42272), (2642, 32320), (3232, 26420), (4040, 21136), (5284, 16160), (6464, 13210), (6605, 12928), (8080, 10568)]