838400

素因数分解:

$2^8\times 5^2\times {\mathrm{131}}^1$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 2091012

約数和(自身を除く): 1252612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 131, 160, 200, 256, 262, 320, 400, 524, 640, 655, 800, 1048, 1280, 1310, 1600, 2096, 2620, 3200, 3275, 4192, 5240, 6400, 6550, 8384, 10480, 13100, 16768, 20960, 26200, 33536, 41920, 52400, 83840, 104800, 167680, 209600, 419200, 838400]

約数ペア:

[(1, 838400), (2, 419200), (4, 209600), (5, 167680), (8, 104800), (10, 83840), (16, 52400), (20, 41920), (25, 33536), (32, 26200), (40, 20960), (50, 16768), (64, 13100), (80, 10480), (100, 8384), (128, 6550), (131, 6400), (160, 5240), (200, 4192), (256, 3275), (262, 3200), (320, 2620), (400, 2096), (524, 1600), (640, 1310), (655, 1280), (800, 1048)]