1891280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 40

約数和(自身を含む): 4499712

約数和(自身を除く): 2608432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 503, 752, 940, 1006, 1880, 2012, 2515, 3760, 4024, 5030, 8048, 10060, 20120, 23641, 40240, 47282, 94564, 118205, 189128, 236410, 378256, 472820, 945640, 1891280]

約数ペア:

[(1, 1891280), (2, 945640), (4, 472820), (5, 378256), (8, 236410), (10, 189128), (16, 118205), (20, 94564), (40, 47282), (47, 40240), (80, 23641), (94, 20120), (188, 10060), (235, 8048), (376, 5030), (470, 4024), (503, 3760), (752, 2515), (940, 2012), (1006, 1880)]