11143520

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 26526528

約数和(自身を除く): 15383008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 271, 514, 542, 1028, 1084, 1285, 1355, 2056, 2168, 2570, 2710, 4112, 4336, 5140, 5420, 8224, 8672, 10280, 10840, 20560, 21680, 41120, 43360, 69647, 139294, 278588, 348235, 557176, 696470, 1114352, 1392940, 2228704, 2785880, 5571760, 11143520]

約数ペア:

[(1, 11143520), (2, 5571760), (4, 2785880), (5, 2228704), (8, 1392940), (10, 1114352), (16, 696470), (20, 557176), (32, 348235), (40, 278588), (80, 139294), (160, 69647), (257, 43360), (271, 41120), (514, 21680), (542, 20560), (1028, 10840), (1084, 10280), (1285, 8672), (1355, 8224), (2056, 5420), (2168, 5140), (2570, 4336), (2710, 4112)]