538880

素因数分解:

$2^8\times 5^1\times {\mathrm{421}}^1$

素因数の和:442

約数の個数: 36

約数和(自身を含む): 1293852

約数和(自身を除く): 754972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 421, 640, 842, 1280, 1684, 2105, 3368, 4210, 6736, 8420, 13472, 16840, 26944, 33680, 53888, 67360, 107776, 134720, 269440, 538880]

約数ペア:

[(1, 538880), (2, 269440), (4, 134720), (5, 107776), (8, 67360), (10, 53888), (16, 33680), (20, 26944), (32, 16840), (40, 13472), (64, 8420), (80, 6736), (128, 4210), (160, 3368), (256, 2105), (320, 1684), (421, 1280), (640, 842)]