31381840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56039}}^1$

素因数の和:56059

約数の個数: 40

約数和(自身を含む): 83387520

約数和(自身を除く): 52005680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56039, 112078, 224156, 280195, 392273, 448312, 560390, 784546, 896624, 1120780, 1569092, 1961365, 2241560, 3138184, 3922730, 4483120, 6276368, 7845460, 15690920, 31381840]

約数ペア:

[(1, 31381840), (2, 15690920), (4, 7845460), (5, 6276368), (7, 4483120), (8, 3922730), (10, 3138184), (14, 2241560), (16, 1961365), (20, 1569092), (28, 1120780), (35, 896624), (40, 784546), (56, 560390), (70, 448312), (80, 392273), (112, 280195), (140, 224156), (280, 112078), (560, 56039)]