71816320

素因数分解:

$2^7\times 5^1\times {\mathrm{112213}}^1$

素因数の和:112232

約数の個数: 32

約数和(自身を含む): 171687420

約数和(自身を除く): 99871100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112213, 224426, 448852, 561065, 897704, 1122130, 1795408, 2244260, 3590816, 4488520, 7181632, 8977040, 14363264, 17954080, 35908160, 71816320]

約数ペア:

[(1, 71816320), (2, 35908160), (4, 17954080), (5, 14363264), (8, 8977040), (10, 7181632), (16, 4488520), (20, 3590816), (32, 2244260), (40, 1795408), (64, 1122130), (80, 897704), (128, 561065), (160, 448852), (320, 224426), (640, 112213)]