90414080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17659}}^1$

素因数の和:17684

約数の個数: 44

約数和(自身を含む): 216900120

約数和(自身を除く): 126486040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17659, 35318, 70636, 88295, 141272, 176590, 282544, 353180, 565088, 706360, 1130176, 1412720, 2260352, 2825440, 4520704, 5650880, 9041408, 11301760, 18082816, 22603520, 45207040, 90414080]

約数ペア:

[(1, 90414080), (2, 45207040), (4, 22603520), (5, 18082816), (8, 11301760), (10, 9041408), (16, 5650880), (20, 4520704), (32, 2825440), (40, 2260352), (64, 1412720), (80, 1130176), (128, 706360), (160, 565088), (256, 353180), (320, 282544), (512, 176590), (640, 141272), (1024, 88295), (1280, 70636), (2560, 35318), (5120, 17659)]