419200

素因数分解:

$2^7\times 5^2\times {\mathrm{131}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 1043460

約数和(自身を除く): 624260

約数列:

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

約数ペア:

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