31360

素因数分解:

$2^7\times 5^1\times 7^2$

素因数の和:33

約数の個数: 48

約数和(自身を含む): 87210

約数和(自身を除く): 55850

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 15680, 31360]

約数ペア:

[(1, 31360), (2, 15680), (4, 7840), (5, 6272), (7, 4480), (8, 3920), (10, 3136), (14, 2240), (16, 1960), (20, 1568), (28, 1120), (32, 980), (35, 896), (40, 784), (49, 640), (56, 560), (64, 490), (70, 448), (80, 392), (98, 320), (112, 280), (128, 245), (140, 224), (160, 196)]