42740000

素因数分解:

$2^5\times 5^4\times {\mathrm{2137}}^1$

素因数の和:2167

約数の個数: 60

約数和(自身を含む): 105196014

約数和(自身を除く): 62456014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2137, 2500, 4000, 4274, 5000, 8548, 10000, 10685, 17096, 20000, 21370, 34192, 42740, 53425, 68384, 85480, 106850, 170960, 213700, 267125, 341920, 427400, 534250, 854800, 1068500, 1335625, 1709600, 2137000, 2671250, 4274000, 5342500, 8548000, 10685000, 21370000, 42740000]

約数ペア:

[(1, 42740000), (2, 21370000), (4, 10685000), (5, 8548000), (8, 5342500), (10, 4274000), (16, 2671250), (20, 2137000), (25, 1709600), (32, 1335625), (40, 1068500), (50, 854800), (80, 534250), (100, 427400), (125, 341920), (160, 267125), (200, 213700), (250, 170960), (400, 106850), (500, 85480), (625, 68384), (800, 53425), (1000, 42740), (1250, 34192), (2000, 21370), (2137, 20000), (2500, 17096), (4000, 10685), (4274, 10000), (5000, 8548)]