81105424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1619}}^1$

素因数の和:1759

約数の個数: 40

約数和(自身を含む): 163918080

約数和(自身を除く): 82812656

約数列:

[1, 2, 4, 8, 16, 31, 62, 101, 124, 202, 248, 404, 496, 808, 1616, 1619, 3131, 3238, 6262, 6476, 12524, 12952, 25048, 25904, 50096, 50189, 100378, 163519, 200756, 327038, 401512, 654076, 803024, 1308152, 2616304, 5069089, 10138178, 20276356, 40552712, 81105424]

約数ペア:

[(1, 81105424), (2, 40552712), (4, 20276356), (8, 10138178), (16, 5069089), (31, 2616304), (62, 1308152), (101, 803024), (124, 654076), (202, 401512), (248, 327038), (404, 200756), (496, 163519), (808, 100378), (1616, 50189), (1619, 50096), (3131, 25904), (3238, 25048), (6262, 12952), (6476, 12524)]