81005470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89017}}^1$

素因数の和:89044

約数の個数: 32

約数和(自身を含む): 179460288

約数和(自身を除く): 98454818

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89017, 178034, 445085, 623119, 890170, 1157221, 1246238, 2314442, 3115595, 5786105, 6231190, 8100547, 11572210, 16201094, 40502735, 81005470]

約数ペア:

[(1, 81005470), (2, 40502735), (5, 16201094), (7, 11572210), (10, 8100547), (13, 6231190), (14, 5786105), (26, 3115595), (35, 2314442), (65, 1246238), (70, 1157221), (91, 890170), (130, 623119), (182, 445085), (455, 178034), (910, 89017)]