712986160

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{28657}}^1$

素因数の和:28981

約数の個数: 40

約数和(自身を含む): 1663081056

約数和(自身を除く): 950094896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 28657, 57314, 114628, 143285, 229256, 286570, 458512, 573140, 1146280, 2292560, 8912327, 17824654, 35649308, 44561635, 71298616, 89123270, 142597232, 178246540, 356493080, 712986160]

約数ペア:

[(1, 712986160), (2, 356493080), (4, 178246540), (5, 142597232), (8, 89123270), (10, 71298616), (16, 44561635), (20, 35649308), (40, 17824654), (80, 8912327), (311, 2292560), (622, 1146280), (1244, 573140), (1555, 458512), (2488, 286570), (3110, 229256), (4976, 143285), (6220, 114628), (12440, 57314), (24880, 28657)]