40873820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157207}}^1$

素因数の和:157229

約数の個数: 24

約数和(自身を含む): 92438304

約数和(自身を除く): 51564484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157207, 314414, 628828, 786035, 1572070, 2043691, 3144140, 4087382, 8174764, 10218455, 20436910, 40873820]

約数ペア:

[(1, 40873820), (2, 20436910), (4, 10218455), (5, 8174764), (10, 4087382), (13, 3144140), (20, 2043691), (26, 1572070), (52, 786035), (65, 628828), (130, 314414), (260, 157207)]