158316160

素因数分解:

$2^7\times 5^1\times {\mathrm{247369}}^1$

素因数の和:247388

約数の個数: 32

約数和(自身を含む): 378476100

約数和(自身を除く): 220159940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 247369, 494738, 989476, 1236845, 1978952, 2473690, 3957904, 4947380, 7915808, 9894760, 15831616, 19789520, 31663232, 39579040, 79158080, 158316160]

約数ペア:

[(1, 158316160), (2, 79158080), (4, 39579040), (5, 31663232), (8, 19789520), (10, 15831616), (16, 9894760), (20, 7915808), (32, 4947380), (40, 3957904), (64, 2473690), (80, 1978952), (128, 1236845), (160, 989476), (320, 494738), (640, 247369)]