81009230

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{38393}}^1$

素因数の和:38611

約数の個数: 16

約数和(自身を含む): 146511504

約数和(自身を除く): 65502274

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 38393, 76786, 191965, 383930, 8100923, 16201846, 40504615, 81009230]

約数ペア:

[(1, 81009230), (2, 40504615), (5, 16201846), (10, 8100923), (211, 383930), (422, 191965), (1055, 76786), (2110, 38393)]