18028640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16097}}^1$

素因数の和:16119

約数の個数: 48

約数和(自身を含む): 48680352

約数和(自身を除く): 30651712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16097, 32194, 64388, 80485, 112679, 128776, 160970, 225358, 257552, 321940, 450716, 515104, 563395, 643880, 901432, 1126790, 1287760, 1802864, 2253580, 2575520, 3605728, 4507160, 9014320, 18028640]

約数ペア:

[(1, 18028640), (2, 9014320), (4, 4507160), (5, 3605728), (7, 2575520), (8, 2253580), (10, 1802864), (14, 1287760), (16, 1126790), (20, 901432), (28, 643880), (32, 563395), (35, 515104), (40, 450716), (56, 321940), (70, 257552), (80, 225358), (112, 160970), (140, 128776), (160, 112679), (224, 80485), (280, 64388), (560, 32194), (1120, 16097)]