13398440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 33816960

約数和(自身を除く): 20418520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 823, 1480, 1628, 1646, 2035, 3256, 3292, 4070, 4115, 6584, 8140, 8230, 9053, 16280, 16460, 18106, 30451, 32920, 36212, 45265, 60902, 72424, 90530, 121804, 152255, 181060, 243608, 304510, 334961, 362120, 609020, 669922, 1218040, 1339844, 1674805, 2679688, 3349610, 6699220, 13398440]

約数ペア:

[(1, 13398440), (2, 6699220), (4, 3349610), (5, 2679688), (8, 1674805), (10, 1339844), (11, 1218040), (20, 669922), (22, 609020), (37, 362120), (40, 334961), (44, 304510), (55, 243608), (74, 181060), (88, 152255), (110, 121804), (148, 90530), (185, 72424), (220, 60902), (296, 45265), (370, 36212), (407, 32920), (440, 30451), (740, 18106), (814, 16460), (823, 16280), (1480, 9053), (1628, 8230), (1646, 8140), (2035, 6584), (3256, 4115), (3292, 4070)]