57712640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1409}}^1$

素因数の和:1440

約数の個数: 56

約数和(自身を含む): 138600180

約数和(自身を除く): 80887540

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, 8192, 10240, 11272, 14090, 20480, 22544, 28180, 40960, 45088, 56360, 90176, 112720, 180352, 225440, 360704, 450880, 721408, 901760, 1442816, 1803520, 2885632, 3607040, 5771264, 7214080, 11542528, 14428160, 28856320, 57712640]

約数ペア:

[(1, 57712640), (2, 28856320), (4, 14428160), (5, 11542528), (8, 7214080), (10, 5771264), (16, 3607040), (20, 2885632), (32, 1803520), (40, 1442816), (64, 901760), (80, 721408), (128, 450880), (160, 360704), (256, 225440), (320, 180352), (512, 112720), (640, 90176), (1024, 56360), (1280, 45088), (1409, 40960), (2048, 28180), (2560, 22544), (2818, 20480), (4096, 14090), (5120, 11272), (5636, 10240), (7045, 8192)]