28743320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15289}}^1$

素因数の和:15347

約数の個数: 32

約数和(自身を含む): 66052800

約数和(自身を除く): 37309480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15289, 30578, 61156, 76445, 122312, 152890, 305780, 611560, 718583, 1437166, 2874332, 3592915, 5748664, 7185830, 14371660, 28743320]

約数ペア:

[(1, 28743320), (2, 14371660), (4, 7185830), (5, 5748664), (8, 3592915), (10, 2874332), (20, 1437166), (40, 718583), (47, 611560), (94, 305780), (188, 152890), (235, 122312), (376, 76445), (470, 61156), (940, 30578), (1880, 15289)]