80122880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15649}}^1$

素因数の和:15674

約数の個数: 44

約数和(自身を含む): 192213300

約数和(自身を除く): 112090420

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, 15649, 31298, 62596, 78245, 125192, 156490, 250384, 312980, 500768, 625960, 1001536, 1251920, 2003072, 2503840, 4006144, 5007680, 8012288, 10015360, 16024576, 20030720, 40061440, 80122880]

約数ペア:

[(1, 80122880), (2, 40061440), (4, 20030720), (5, 16024576), (8, 10015360), (10, 8012288), (16, 5007680), (20, 4006144), (32, 2503840), (40, 2003072), (64, 1251920), (80, 1001536), (128, 625960), (160, 500768), (256, 312980), (320, 250384), (512, 156490), (640, 125192), (1024, 78245), (1280, 62596), (2560, 31298), (5120, 15649)]