27990700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6827}}^1$

素因数の和:6882

約数の個数: 36

約数和(自身を含む): 62230392

約数和(自身を除く): 34239692

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 6827, 13654, 27308, 34135, 68270, 136540, 170675, 279907, 341350, 559814, 682700, 1119628, 1399535, 2799070, 5598140, 6997675, 13995350, 27990700]

約数ペア:

[(1, 27990700), (2, 13995350), (4, 6997675), (5, 5598140), (10, 2799070), (20, 1399535), (25, 1119628), (41, 682700), (50, 559814), (82, 341350), (100, 279907), (164, 170675), (205, 136540), (410, 68270), (820, 34135), (1025, 27308), (2050, 13654), (4100, 6827)]