27782480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 71299008

約数和(自身を除く): 43516528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 241, 262, 440, 482, 524, 655, 880, 964, 1048, 1205, 1310, 1441, 1928, 2096, 2410, 2620, 2651, 2882, 3856, 4820, 5240, 5302, 5764, 7205, 9640, 10480, 10604, 11528, 13255, 14410, 19280, 21208, 23056, 26510, 28820, 31571, 42416, 53020, 57640, 63142, 106040, 115280, 126284, 157855, 212080, 252568, 315710, 347281, 505136, 631420, 694562, 1262840, 1389124, 1736405, 2525680, 2778248, 3472810, 5556496, 6945620, 13891240, 27782480]

約数ペア:

[(1, 27782480), (2, 13891240), (4, 6945620), (5, 5556496), (8, 3472810), (10, 2778248), (11, 2525680), (16, 1736405), (20, 1389124), (22, 1262840), (40, 694562), (44, 631420), (55, 505136), (80, 347281), (88, 315710), (110, 252568), (131, 212080), (176, 157855), (220, 126284), (241, 115280), (262, 106040), (440, 63142), (482, 57640), (524, 53020), (655, 42416), (880, 31571), (964, 28820), (1048, 26510), (1205, 23056), (1310, 21208), (1441, 19280), (1928, 14410), (2096, 13255), (2410, 11528), (2620, 10604), (2651, 10480), (2882, 9640), (3856, 7205), (4820, 5764), (5240, 5302)]