201366640

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4519}}^1$

素因数の和:5089

約数の個数: 40

約数和(自身を含む): 469121760

約数和(自身を除く): 267755120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 4519, 5570, 8912, 9038, 11140, 18076, 22280, 22595, 36152, 44560, 45190, 72304, 90380, 180760, 361520, 2517083, 5034166, 10068332, 12585415, 20136664, 25170830, 40273328, 50341660, 100683320, 201366640]

約数ペア:

[(1, 201366640), (2, 100683320), (4, 50341660), (5, 40273328), (8, 25170830), (10, 20136664), (16, 12585415), (20, 10068332), (40, 5034166), (80, 2517083), (557, 361520), (1114, 180760), (2228, 90380), (2785, 72304), (4456, 45190), (4519, 44560), (5570, 36152), (8912, 22595), (9038, 22280), (11140, 18076)]