131871920

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3607}}^1$

素因数の和:4077

約数の個数: 40

約数和(自身を含む): 307358304

約数和(自身を除く): 175486384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3607, 3656, 4570, 7214, 7312, 9140, 14428, 18035, 18280, 28856, 36070, 36560, 57712, 72140, 144280, 288560, 1648399, 3296798, 6593596, 8241995, 13187192, 16483990, 26374384, 32967980, 65935960, 131871920]

約数ペア:

[(1, 131871920), (2, 65935960), (4, 32967980), (5, 26374384), (8, 16483990), (10, 13187192), (16, 8241995), (20, 6593596), (40, 3296798), (80, 1648399), (457, 288560), (914, 144280), (1828, 72140), (2285, 57712), (3607, 36560), (3656, 36070), (4570, 28856), (7214, 18280), (7312, 18035), (9140, 14428)]