12765740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 29672832

約数和(自身を除く): 16907092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1327, 1924, 2405, 2654, 4810, 5308, 6635, 9620, 13270, 17251, 26540, 34502, 49099, 69004, 86255, 98198, 172510, 196396, 245495, 345020, 490990, 638287, 981980, 1276574, 2553148, 3191435, 6382870, 12765740]

約数ペア:

[(1, 12765740), (2, 6382870), (4, 3191435), (5, 2553148), (10, 1276574), (13, 981980), (20, 638287), (26, 490990), (37, 345020), (52, 245495), (65, 196396), (74, 172510), (130, 98198), (148, 86255), (185, 69004), (260, 49099), (370, 34502), (481, 26540), (740, 17251), (962, 13270), (1327, 9620), (1924, 6635), (2405, 5308), (2654, 4810)]