40737280

素因数分解:

$2^9\times 5^1\times {\mathrm{15913}}^1$

素因数の和:15936

約数の個数: 40

約数和(自身を含む): 97680132

約数和(自身を除く): 56942852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15913, 31826, 63652, 79565, 127304, 159130, 254608, 318260, 509216, 636520, 1018432, 1273040, 2036864, 2546080, 4073728, 5092160, 8147456, 10184320, 20368640, 40737280]

約数ペア:

[(1, 40737280), (2, 20368640), (4, 10184320), (5, 8147456), (8, 5092160), (10, 4073728), (16, 2546080), (20, 2036864), (32, 1273040), (40, 1018432), (64, 636520), (80, 509216), (128, 318260), (160, 254608), (256, 159130), (320, 127304), (512, 79565), (640, 63652), (1280, 31826), (2560, 15913)]