13991840

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 33325992

約数和(自身を除く): 19334152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 557, 628, 785, 1114, 1256, 1570, 2228, 2512, 2785, 3140, 4456, 5024, 5570, 6280, 8912, 11140, 12560, 17824, 22280, 25120, 44560, 87449, 89120, 174898, 349796, 437245, 699592, 874490, 1399184, 1748980, 2798368, 3497960, 6995920, 13991840]

約数ペア:

[(1, 13991840), (2, 6995920), (4, 3497960), (5, 2798368), (8, 1748980), (10, 1399184), (16, 874490), (20, 699592), (32, 437245), (40, 349796), (80, 174898), (157, 89120), (160, 87449), (314, 44560), (557, 25120), (628, 22280), (785, 17824), (1114, 12560), (1256, 11140), (1570, 8912), (2228, 6280), (2512, 5570), (2785, 5024), (3140, 4456)]