200204800

素因数分解:

$2^9\times 5^2\times {\mathrm{15641}}^1$

素因数の和:15669

約数の個数: 60

約数和(自身を含む): 496054746

約数和(自身を除く): 295849946

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 15641, 31282, 62564, 78205, 125128, 156410, 250256, 312820, 391025, 500512, 625640, 782050, 1001024, 1251280, 1564100, 2002048, 2502560, 3128200, 4004096, 5005120, 6256400, 8008192, 10010240, 12512800, 20020480, 25025600, 40040960, 50051200, 100102400, 200204800]

約数ペア:

[(1, 200204800), (2, 100102400), (4, 50051200), (5, 40040960), (8, 25025600), (10, 20020480), (16, 12512800), (20, 10010240), (25, 8008192), (32, 6256400), (40, 5005120), (50, 4004096), (64, 3128200), (80, 2502560), (100, 2002048), (128, 1564100), (160, 1251280), (200, 1001024), (256, 782050), (320, 625640), (400, 500512), (512, 391025), (640, 312820), (800, 250256), (1280, 156410), (1600, 125128), (2560, 78205), (3200, 62564), (6400, 31282), (12800, 15641)]