40437808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61643}}^1$

素因数の和:61692

約数の個数: 20

約数和(自身を含む): 80260488

約数和(自身を除く): 39822680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61643, 123286, 246572, 493144, 986288, 2527363, 5054726, 10109452, 20218904, 40437808]

約数ペア:

[(1, 40437808), (2, 20218904), (4, 10109452), (8, 5054726), (16, 2527363), (41, 986288), (82, 493144), (164, 246572), (328, 123286), (656, 61643)]