1690880

素因数分解:

$2^8\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1342

約数の個数: 36

約数和(自身を含む): 4053252

約数和(自身を除く): 2362372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1321, 2642, 5284, 6605, 10568, 13210, 21136, 26420, 42272, 52840, 84544, 105680, 169088, 211360, 338176, 422720, 845440, 1690880]

約数ペア:

[(1, 1690880), (2, 845440), (4, 422720), (5, 338176), (8, 211360), (10, 169088), (16, 105680), (20, 84544), (32, 52840), (40, 42272), (64, 26420), (80, 21136), (128, 13210), (160, 10568), (256, 6605), (320, 5284), (640, 2642), (1280, 1321)]