2017258520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{384973}}^1$

素因数の和:385115

約数の個数: 32

約数和(自身を含む): 4573491120

約数和(自身を除く): 2556232600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 384973, 769946, 1539892, 1924865, 3079784, 3849730, 7699460, 15398920, 50431463, 100862926, 201725852, 252157315, 403451704, 504314630, 1008629260, 2017258520]

約数ペア:

[(1, 2017258520), (2, 1008629260), (4, 504314630), (5, 403451704), (8, 252157315), (10, 201725852), (20, 100862926), (40, 50431463), (131, 15398920), (262, 7699460), (524, 3849730), (655, 3079784), (1048, 1924865), (1310, 1539892), (2620, 769946), (5240, 384973)]