129334840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61007}}^1$

素因数の和:61071

約数の個数: 32

約数和(自身を含む): 296498880

約数和(自身を除く): 167164040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 61007, 122014, 244028, 305035, 488056, 610070, 1220140, 2440280, 3233371, 6466742, 12933484, 16166855, 25866968, 32333710, 64667420, 129334840]

約数ペア:

[(1, 129334840), (2, 64667420), (4, 32333710), (5, 25866968), (8, 16166855), (10, 12933484), (20, 6466742), (40, 3233371), (53, 2440280), (106, 1220140), (212, 610070), (265, 488056), (424, 305035), (530, 244028), (1060, 122014), (2120, 61007)]