66187840

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:935

約数の個数: 56

約数和(自身を含む): 158310072

約数和(自身を除く): 92122232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 521, 794, 1042, 1588, 1985, 2084, 2605, 3176, 3970, 4168, 5210, 6352, 7940, 8336, 10420, 12704, 15880, 16672, 20840, 25408, 31760, 33344, 41680, 63520, 83360, 127040, 166720, 206837, 413674, 827348, 1034185, 1654696, 2068370, 3309392, 4136740, 6618784, 8273480, 13237568, 16546960, 33093920, 66187840]

約数ペア:

[(1, 66187840), (2, 33093920), (4, 16546960), (5, 13237568), (8, 8273480), (10, 6618784), (16, 4136740), (20, 3309392), (32, 2068370), (40, 1654696), (64, 1034185), (80, 827348), (160, 413674), (320, 206837), (397, 166720), (521, 127040), (794, 83360), (1042, 63520), (1588, 41680), (1985, 33344), (2084, 31760), (2605, 25408), (3176, 20840), (3970, 16672), (4168, 15880), (5210, 12704), (6352, 10420), (7940, 8336)]