72984260

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5693}}^1$

素因数の和:6343

約数の個数: 24

約数和(自身を含む): 153533016

約数和(自身を除く): 80548756

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 5693, 6410, 11386, 12820, 22772, 28465, 56930, 113860, 3649213, 7298426, 14596852, 18246065, 36492130, 72984260]

約数ペア:

[(1, 72984260), (2, 36492130), (4, 18246065), (5, 14596852), (10, 7298426), (20, 3649213), (641, 113860), (1282, 56930), (2564, 28465), (3205, 22772), (5693, 12820), (6410, 11386)]