61042640

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2969}}^1$

素因数の和:3239

約数の個数: 40

約数和(自身を含む): 142524360

約数和(自身を除く): 81481720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 2969, 4112, 5140, 5938, 10280, 11876, 14845, 20560, 23752, 29690, 47504, 59380, 118760, 237520, 763033, 1526066, 3052132, 3815165, 6104264, 7630330, 12208528, 15260660, 30521320, 61042640]

約数ペア:

[(1, 61042640), (2, 30521320), (4, 15260660), (5, 12208528), (8, 7630330), (10, 6104264), (16, 3815165), (20, 3052132), (40, 1526066), (80, 763033), (257, 237520), (514, 118760), (1028, 59380), (1285, 47504), (2056, 29690), (2570, 23752), (2969, 20560), (4112, 14845), (5140, 11876), (5938, 10280)]