28856320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1409}}^1$

素因数の和:1438

約数の個数: 52

約数和(自身を含む): 69295860

約数和(自身を除く): 40439540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1409, 2048, 2560, 2818, 4096, 5120, 5636, 7045, 10240, 11272, 14090, 20480, 22544, 28180, 45088, 56360, 90176, 112720, 180352, 225440, 360704, 450880, 721408, 901760, 1442816, 1803520, 2885632, 3607040, 5771264, 7214080, 14428160, 28856320]

約数ペア:

[(1, 28856320), (2, 14428160), (4, 7214080), (5, 5771264), (8, 3607040), (10, 2885632), (16, 1803520), (20, 1442816), (32, 901760), (40, 721408), (64, 450880), (80, 360704), (128, 225440), (160, 180352), (256, 112720), (320, 90176), (512, 56360), (640, 45088), (1024, 28180), (1280, 22544), (1409, 20480), (2048, 14090), (2560, 11272), (2818, 10240), (4096, 7045), (5120, 5636)]