28821460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 64786176

約数和(自身を除く): 35964716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 823, 1030, 1646, 1751, 2060, 3292, 3502, 4115, 7004, 8230, 8755, 13991, 16460, 17510, 27982, 35020, 55964, 69955, 84769, 139910, 169538, 279820, 339076, 423845, 847690, 1441073, 1695380, 2882146, 5764292, 7205365, 14410730, 28821460]

約数ペア:

[(1, 28821460), (2, 14410730), (4, 7205365), (5, 5764292), (10, 2882146), (17, 1695380), (20, 1441073), (34, 847690), (68, 423845), (85, 339076), (103, 279820), (170, 169538), (206, 139910), (340, 84769), (412, 69955), (515, 55964), (823, 35020), (1030, 27982), (1646, 17510), (1751, 16460), (2060, 13991), (3292, 8755), (3502, 8230), (4115, 7004)]