140038400

素因数分解:

$2^8\times 5^2\times {\mathrm{21881}}^1$

素因数の和:21907

約数の個数: 54

約数和(自身を含む): 346632762

約数和(自身を除く): 206594362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21881, 43762, 87524, 109405, 175048, 218810, 350096, 437620, 547025, 700192, 875240, 1094050, 1400384, 1750480, 2188100, 2800768, 3500960, 4376200, 5601536, 7001920, 8752400, 14003840, 17504800, 28007680, 35009600, 70019200, 140038400]

約数ペア:

[(1, 140038400), (2, 70019200), (4, 35009600), (5, 28007680), (8, 17504800), (10, 14003840), (16, 8752400), (20, 7001920), (25, 5601536), (32, 4376200), (40, 3500960), (50, 2800768), (64, 2188100), (80, 1750480), (100, 1400384), (128, 1094050), (160, 875240), (200, 700192), (256, 547025), (320, 437620), (400, 350096), (640, 218810), (800, 175048), (1280, 109405), (1600, 87524), (3200, 43762), (6400, 21881)]