40207360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7853}}^1$

素因数の和:7878

約数の個数: 44

約数和(自身を含む): 96462828

約数和(自身を除く): 56255468

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, 7853, 15706, 31412, 39265, 62824, 78530, 125648, 157060, 251296, 314120, 502592, 628240, 1005184, 1256480, 2010368, 2512960, 4020736, 5025920, 8041472, 10051840, 20103680, 40207360]

約数ペア:

[(1, 40207360), (2, 20103680), (4, 10051840), (5, 8041472), (8, 5025920), (10, 4020736), (16, 2512960), (20, 2010368), (32, 1256480), (40, 1005184), (64, 628240), (80, 502592), (128, 314120), (160, 251296), (256, 157060), (320, 125648), (512, 78530), (640, 62824), (1024, 39265), (1280, 31412), (2560, 15706), (5120, 7853)]