259701320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{138139}}^1$

素因数の和:138197

約数の個数: 32

約数和(自身を含む): 596764800

約数和(自身を除く): 337063480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 138139, 276278, 552556, 690695, 1105112, 1381390, 2762780, 5525560, 6492533, 12985066, 25970132, 32462665, 51940264, 64925330, 129850660, 259701320]

約数ペア:

[(1, 259701320), (2, 129850660), (4, 64925330), (5, 51940264), (8, 32462665), (10, 25970132), (20, 12985066), (40, 6492533), (47, 5525560), (94, 2762780), (188, 1381390), (235, 1105112), (376, 690695), (470, 552556), (940, 276278), (1880, 138139)]