125505280

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 305079264

約数和(自身を除く): 179573984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1381, 1420, 2272, 2762, 2840, 4544, 5524, 5680, 6905, 9088, 11048, 11360, 13810, 18176, 22096, 22720, 27620, 44192, 45440, 55240, 88384, 90880, 98051, 110480, 176768, 196102, 220960, 353536, 392204, 441920, 490255, 784408, 883840, 980510, 1568816, 1767680, 1961020, 3137632, 3922040, 6275264, 7844080, 12550528, 15688160, 25101056, 31376320, 62752640, 125505280]

約数ペア:

[(1, 125505280), (2, 62752640), (4, 31376320), (5, 25101056), (8, 15688160), (10, 12550528), (16, 7844080), (20, 6275264), (32, 3922040), (40, 3137632), (64, 1961020), (71, 1767680), (80, 1568816), (128, 980510), (142, 883840), (160, 784408), (256, 490255), (284, 441920), (320, 392204), (355, 353536), (568, 220960), (640, 196102), (710, 176768), (1136, 110480), (1280, 98051), (1381, 90880), (1420, 88384), (2272, 55240), (2762, 45440), (2840, 44192), (4544, 27620), (5524, 22720), (5680, 22096), (6905, 18176), (9088, 13810), (11048, 11360)]