81292480

素因数分解:

$2^6\times 5^1\times {\mathrm{254039}}^1$

素因数の和:254056

約数の個数: 28

約数和(自身を含む): 193578480

約数和(自身を除く): 112286000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 254039, 508078, 1016156, 1270195, 2032312, 2540390, 4064624, 5080780, 8129248, 10161560, 16258496, 20323120, 40646240, 81292480]

約数ペア:

[(1, 81292480), (2, 40646240), (4, 20323120), (5, 16258496), (8, 10161560), (10, 8129248), (16, 5080780), (20, 4064624), (32, 2540390), (40, 2032312), (64, 1270195), (80, 1016156), (160, 508078), (320, 254039)]