220883920

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4957}}^1$

素因数の和:5527

約数の個数: 40

約数和(自身を含む): 514580904

約数和(自身を除く): 293696984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 4957, 5570, 8912, 9914, 11140, 19828, 22280, 24785, 39656, 44560, 49570, 79312, 99140, 198280, 396560, 2761049, 5522098, 11044196, 13805245, 22088392, 27610490, 44176784, 55220980, 110441960, 220883920]

約数ペア:

[(1, 220883920), (2, 110441960), (4, 55220980), (5, 44176784), (8, 27610490), (10, 22088392), (16, 13805245), (20, 11044196), (40, 5522098), (80, 2761049), (557, 396560), (1114, 198280), (2228, 99140), (2785, 79312), (4456, 49570), (4957, 44560), (5570, 39656), (8912, 24785), (9914, 22280), (11140, 19828)]