1819520

素因数分解:

$2^7\times 5^1\times {\mathrm{2843}}^1$

素因数の和:2862

約数の個数: 32

約数和(自身を含む): 4351320

約数和(自身を除く): 2531800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2843, 5686, 11372, 14215, 22744, 28430, 45488, 56860, 90976, 113720, 181952, 227440, 363904, 454880, 909760, 1819520]

約数ペア:

[(1, 1819520), (2, 909760), (4, 454880), (5, 363904), (8, 227440), (10, 181952), (16, 113720), (20, 90976), (32, 56860), (40, 45488), (64, 28430), (80, 22744), (128, 14215), (160, 11372), (320, 5686), (640, 2843)]