82004320

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1291}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 194373648

約数和(自身を除く): 112369328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1291, 1588, 1985, 2582, 3176, 3970, 5164, 6352, 6455, 7940, 10328, 12704, 12910, 15880, 20656, 25820, 31760, 41312, 51640, 63520, 103280, 206560, 512527, 1025054, 2050108, 2562635, 4100216, 5125270, 8200432, 10250540, 16400864, 20501080, 41002160, 82004320]

約数ペア:

[(1, 82004320), (2, 41002160), (4, 20501080), (5, 16400864), (8, 10250540), (10, 8200432), (16, 5125270), (20, 4100216), (32, 2562635), (40, 2050108), (80, 1025054), (160, 512527), (397, 206560), (794, 103280), (1291, 63520), (1588, 51640), (1985, 41312), (2582, 31760), (3176, 25820), (3970, 20656), (5164, 15880), (6352, 12910), (6455, 12704), (7940, 10328)]