11500820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 25401600

約数和(自身を除く): 13900780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 251, 290, 316, 395, 502, 580, 790, 1004, 1255, 1580, 2291, 2510, 4582, 5020, 7279, 9164, 11455, 14558, 19829, 22910, 29116, 36395, 39658, 45820, 72790, 79316, 99145, 145580, 198290, 396580, 575041, 1150082, 2300164, 2875205, 5750410, 11500820]

約数ペア:

[(1, 11500820), (2, 5750410), (4, 2875205), (5, 2300164), (10, 1150082), (20, 575041), (29, 396580), (58, 198290), (79, 145580), (116, 99145), (145, 79316), (158, 72790), (251, 45820), (290, 39658), (316, 36395), (395, 29116), (502, 22910), (580, 19829), (790, 14558), (1004, 11455), (1255, 9164), (1580, 7279), (2291, 5020), (2510, 4582)]