29871320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15889}}^1$

素因数の和:15947

約数の個数: 32

約数和(自身を含む): 68644800

約数和(自身を除く): 38773480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15889, 31778, 63556, 79445, 127112, 158890, 317780, 635560, 746783, 1493566, 2987132, 3733915, 5974264, 7467830, 14935660, 29871320]

約数ペア:

[(1, 29871320), (2, 14935660), (4, 7467830), (5, 5974264), (8, 3733915), (10, 2987132), (20, 1493566), (40, 746783), (47, 635560), (94, 317780), (188, 158890), (235, 127112), (376, 79445), (470, 63556), (940, 31778), (1880, 15889)]