13891240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 34499520

約数和(自身を除く): 20608280

約数列:

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

約数ペア:

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