40061440

素因数分解:

$2^9\times 5^1\times {\mathrm{15649}}^1$

素因数の和:15672

約数の個数: 40

約数和(自身を含む): 96059700

約数和(自身を除く): 55998260

約数列:

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

約数ペア:

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