40670720

素因数分解:

$2^9\times 5^1\times {\mathrm{15887}}^1$

素因数の和:15910

約数の個数: 40

約数和(自身を含む): 97520544

約数和(自身を除く): 56849824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15887, 31774, 63548, 79435, 127096, 158870, 254192, 317740, 508384, 635480, 1016768, 1270960, 2033536, 2541920, 4067072, 5083840, 8134144, 10167680, 20335360, 40670720]

約数ペア:

[(1, 40670720), (2, 20335360), (4, 10167680), (5, 8134144), (8, 5083840), (10, 4067072), (16, 2541920), (20, 2033536), (32, 1270960), (40, 1016768), (64, 635480), (80, 508384), (128, 317740), (160, 254192), (256, 158870), (320, 127096), (512, 79435), (640, 63548), (1280, 31774), (2560, 15887)]