40727840

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 96603192

約数和(自身を除く): 55875352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 557, 914, 1114, 1828, 2228, 2285, 2785, 3656, 4456, 4570, 5570, 7312, 8912, 9140, 11140, 14624, 17824, 18280, 22280, 36560, 44560, 73120, 89120, 254549, 509098, 1018196, 1272745, 2036392, 2545490, 4072784, 5090980, 8145568, 10181960, 20363920, 40727840]

約数ペア:

[(1, 40727840), (2, 20363920), (4, 10181960), (5, 8145568), (8, 5090980), (10, 4072784), (16, 2545490), (20, 2036392), (32, 1272745), (40, 1018196), (80, 509098), (160, 254549), (457, 89120), (557, 73120), (914, 44560), (1114, 36560), (1828, 22280), (2228, 18280), (2285, 17824), (2785, 14624), (3656, 11140), (4456, 9140), (4570, 8912), (5570, 7312)]