248835280

素因数分解:

$2^4\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2851}}^1$

素因数の和:3955

約数の個数: 40

約数和(自身を含む): 579275424

約数和(自身を除く): 330440144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091, 2182, 2851, 4364, 5455, 5702, 8728, 10910, 11404, 14255, 17456, 21820, 22808, 28510, 43640, 45616, 57020, 87280, 114040, 228080, 3110441, 6220882, 12441764, 15552205, 24883528, 31104410, 49767056, 62208820, 124417640, 248835280]

約数ペア:

[(1, 248835280), (2, 124417640), (4, 62208820), (5, 49767056), (8, 31104410), (10, 24883528), (16, 15552205), (20, 12441764), (40, 6220882), (80, 3110441), (1091, 228080), (2182, 114040), (2851, 87280), (4364, 57020), (5455, 45616), (5702, 43640), (8728, 28510), (10910, 22808), (11404, 21820), (14255, 17456)]