11905520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 30748032

約数和(自身を除く): 18842512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 163, 166, 176, 220, 326, 332, 415, 440, 652, 664, 815, 830, 880, 913, 1304, 1328, 1630, 1660, 1793, 1826, 2608, 3260, 3320, 3586, 3652, 4565, 6520, 6640, 7172, 7304, 8965, 9130, 13040, 13529, 14344, 14608, 17930, 18260, 27058, 28688, 35860, 36520, 54116, 67645, 71720, 73040, 108232, 135290, 143440, 148819, 216464, 270580, 297638, 541160, 595276, 744095, 1082320, 1190552, 1488190, 2381104, 2976380, 5952760, 11905520]

約数ペア:

[(1, 11905520), (2, 5952760), (4, 2976380), (5, 2381104), (8, 1488190), (10, 1190552), (11, 1082320), (16, 744095), (20, 595276), (22, 541160), (40, 297638), (44, 270580), (55, 216464), (80, 148819), (83, 143440), (88, 135290), (110, 108232), (163, 73040), (166, 71720), (176, 67645), (220, 54116), (326, 36520), (332, 35860), (415, 28688), (440, 27058), (652, 18260), (664, 17930), (815, 14608), (830, 14344), (880, 13529), (913, 13040), (1304, 9130), (1328, 8965), (1630, 7304), (1660, 7172), (1793, 6640), (1826, 6520), (2608, 4565), (3260, 3652), (3320, 3586)]