2004227600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{122209}}^1$

素因数の和:122268

約数の個数: 60

約数和(自身を含む): 4932640020

約数和(自身を除く): 2928412420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 16400, 122209, 244418, 488836, 611045, 977672, 1222090, 1955344, 2444180, 3055225, 4888360, 5010569, 6110450, 9776720, 10021138, 12220900, 20042276, 24441800, 25052845, 40084552, 48883600, 50105690, 80169104, 100211380, 125264225, 200422760, 250528450, 400845520, 501056900, 1002113800, 2004227600]

約数ペア:

[(1, 2004227600), (2, 1002113800), (4, 501056900), (5, 400845520), (8, 250528450), (10, 200422760), (16, 125264225), (20, 100211380), (25, 80169104), (40, 50105690), (41, 48883600), (50, 40084552), (80, 25052845), (82, 24441800), (100, 20042276), (164, 12220900), (200, 10021138), (205, 9776720), (328, 6110450), (400, 5010569), (410, 4888360), (656, 3055225), (820, 2444180), (1025, 1955344), (1640, 1222090), (2050, 977672), (3280, 611045), (4100, 488836), (8200, 244418), (16400, 122209)]