7646840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3607}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 17534880

約数和(自身を除く): 9888040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3607, 7214, 14428, 18035, 28856, 36070, 72140, 144280, 191171, 382342, 764684, 955855, 1529368, 1911710, 3823420, 7646840]

約数ペア:

[(1, 7646840), (2, 3823420), (4, 1911710), (5, 1529368), (8, 955855), (10, 764684), (20, 382342), (40, 191171), (53, 144280), (106, 72140), (212, 36070), (265, 28856), (424, 18035), (530, 14428), (1060, 7214), (2120, 3607)]