1077760

素因数分解:

$2^9\times 5^1\times {\mathrm{421}}^1$

素因数の和:444

約数の個数: 40

約数和(自身を含む): 2590236

約数和(自身を除く): 1512476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 421, 512, 640, 842, 1280, 1684, 2105, 2560, 3368, 4210, 6736, 8420, 13472, 16840, 26944, 33680, 53888, 67360, 107776, 134720, 215552, 269440, 538880, 1077760]

約数ペア:

[(1, 1077760), (2, 538880), (4, 269440), (5, 215552), (8, 134720), (10, 107776), (16, 67360), (20, 53888), (32, 33680), (40, 26944), (64, 16840), (80, 13472), (128, 8420), (160, 6736), (256, 4210), (320, 3368), (421, 2560), (512, 2105), (640, 1684), (842, 1280)]