129243080

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4903}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 291297600

約数和(自身を除く): 162054520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 4903, 5272, 6590, 9806, 13180, 19612, 24515, 26360, 39224, 49030, 98060, 196120, 3231077, 6462154, 12924308, 16155385, 25848616, 32310770, 64621540, 129243080]

約数ペア:

[(1, 129243080), (2, 64621540), (4, 32310770), (5, 25848616), (8, 16155385), (10, 12924308), (20, 6462154), (40, 3231077), (659, 196120), (1318, 98060), (2636, 49030), (3295, 39224), (4903, 26360), (5272, 24515), (6590, 19612), (9806, 13180)]