2004690640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{808343}}^1$

素因数の和:808387

約数の個数: 40

約数和(自身を含む): 4811263488

約数和(自身を除く): 2806572848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 808343, 1616686, 3233372, 4041715, 6466744, 8083430, 12933488, 16166860, 25058633, 32333720, 50117266, 64667440, 100234532, 125293165, 200469064, 250586330, 400938128, 501172660, 1002345320, 2004690640]

約数ペア:

[(1, 2004690640), (2, 1002345320), (4, 501172660), (5, 400938128), (8, 250586330), (10, 200469064), (16, 125293165), (20, 100234532), (31, 64667440), (40, 50117266), (62, 32333720), (80, 25058633), (124, 16166860), (155, 12933488), (248, 8083430), (310, 6466744), (496, 4041715), (620, 3233372), (1240, 1616686), (2480, 808343)]