83966840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39607}}^1$

素因数の和:39671

約数の個数: 32

約数和(自身を含む): 192494880

約数和(自身を除く): 108528040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 39607, 79214, 158428, 198035, 316856, 396070, 792140, 1584280, 2099171, 4198342, 8396684, 10495855, 16793368, 20991710, 41983420, 83966840]

約数ペア:

[(1, 83966840), (2, 41983420), (4, 20991710), (5, 16793368), (8, 10495855), (10, 8396684), (20, 4198342), (40, 2099171), (53, 1584280), (106, 792140), (212, 396070), (265, 316856), (424, 198035), (530, 158428), (1060, 79214), (2120, 39607)]