79823680

素因数分解:

$2^6\times 5^1\times {\mathrm{249449}}^1$

素因数の和:249466

約数の個数: 28

約数和(自身を含む): 190080900

約数和(自身を除く): 110257220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249449, 498898, 997796, 1247245, 1995592, 2494490, 3991184, 4988980, 7982368, 9977960, 15964736, 19955920, 39911840, 79823680]

約数ペア:

[(1, 79823680), (2, 39911840), (4, 19955920), (5, 15964736), (8, 9977960), (10, 7982368), (16, 4988980), (20, 3991184), (32, 2494490), (40, 1995592), (64, 1247245), (80, 997796), (160, 498898), (320, 249449)]