40870984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 97827840

約数和(自身を除く): 56956856

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 946, 1204, 1543, 1892, 2408, 3086, 3311, 3784, 6172, 6622, 10801, 12344, 13244, 16973, 21602, 26488, 33946, 43204, 66349, 67892, 86408, 118811, 132698, 135784, 237622, 265396, 464443, 475244, 530792, 729839, 928886, 950488, 1459678, 1857772, 2919356, 3715544, 5108873, 5838712, 10217746, 20435492, 40870984]

約数ペア:

[(1, 40870984), (2, 20435492), (4, 10217746), (7, 5838712), (8, 5108873), (11, 3715544), (14, 2919356), (22, 1857772), (28, 1459678), (43, 950488), (44, 928886), (56, 729839), (77, 530792), (86, 475244), (88, 464443), (154, 265396), (172, 237622), (301, 135784), (308, 132698), (344, 118811), (473, 86408), (602, 67892), (616, 66349), (946, 43204), (1204, 33946), (1543, 26488), (1892, 21602), (2408, 16973), (3086, 13244), (3311, 12344), (3784, 10801), (6172, 6622)]