133008640

素因数分解:

$2^8\times 5^1\times {\mathrm{103913}}^1$

素因数の和:103934

約数の個数: 36

約数和(自身を含む): 318600324

約数和(自身を除く): 185591684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 103913, 207826, 415652, 519565, 831304, 1039130, 1662608, 2078260, 3325216, 4156520, 6650432, 8313040, 13300864, 16626080, 26601728, 33252160, 66504320, 133008640]

約数ペア:

[(1, 133008640), (2, 66504320), (4, 33252160), (5, 26601728), (8, 16626080), (10, 13300864), (16, 8313040), (20, 6650432), (32, 4156520), (40, 3325216), (64, 2078260), (80, 1662608), (128, 1039130), (160, 831304), (256, 519565), (320, 415652), (640, 207826), (1280, 103913)]