26110720

素因数分解:

$2^8\times 5^1\times {\mathrm{20399}}^1$

素因数の和:20420

約数の個数: 36

約数和(自身を含む): 62546400

約数和(自身を除く): 36435680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20399, 40798, 81596, 101995, 163192, 203990, 326384, 407980, 652768, 815960, 1305536, 1631920, 2611072, 3263840, 5222144, 6527680, 13055360, 26110720]

約数ペア:

[(1, 26110720), (2, 13055360), (4, 6527680), (5, 5222144), (8, 3263840), (10, 2611072), (16, 1631920), (20, 1305536), (32, 815960), (40, 652768), (64, 407980), (80, 326384), (128, 203990), (160, 163192), (256, 101995), (320, 81596), (640, 40798), (1280, 20399)]