2161009600

素因数分解:

$2^6\times 5^2\times {\mathrm{251}}^1\times {\mathrm{5381}}^1$

素因数の和:5654

約数の個数: 84

約数和(自身を含む): 5339611368

約数和(自身を除く): 3178601768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 251, 320, 400, 502, 800, 1004, 1255, 1600, 2008, 2510, 4016, 5020, 5381, 6275, 8032, 10040, 10762, 12550, 16064, 20080, 21524, 25100, 26905, 40160, 43048, 50200, 53810, 80320, 86096, 100400, 107620, 134525, 172192, 200800, 215240, 269050, 344384, 401600, 430480, 538100, 860960, 1076200, 1350631, 1721920, 2152400, 2701262, 4304800, 5402524, 6753155, 8609600, 10805048, 13506310, 21610096, 27012620, 33765775, 43220192, 54025240, 67531550, 86440384, 108050480, 135063100, 216100960, 270126200, 432201920, 540252400, 1080504800, 2161009600]

約数ペア:

[(1, 2161009600), (2, 1080504800), (4, 540252400), (5, 432201920), (8, 270126200), (10, 216100960), (16, 135063100), (20, 108050480), (25, 86440384), (32, 67531550), (40, 54025240), (50, 43220192), (64, 33765775), (80, 27012620), (100, 21610096), (160, 13506310), (200, 10805048), (251, 8609600), (320, 6753155), (400, 5402524), (502, 4304800), (800, 2701262), (1004, 2152400), (1255, 1721920), (1600, 1350631), (2008, 1076200), (2510, 860960), (4016, 538100), (5020, 430480), (5381, 401600), (6275, 344384), (8032, 269050), (10040, 215240), (10762, 200800), (12550, 172192), (16064, 134525), (20080, 107620), (21524, 100400), (25100, 86096), (26905, 80320), (40160, 53810), (43048, 50200)]