51171940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 113742720

約数和(自身を除く): 62570780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 433, 622, 866, 1244, 1555, 1732, 2165, 3110, 4330, 5909, 6220, 8227, 8660, 11818, 16454, 23636, 29545, 32908, 41135, 59090, 82270, 118180, 134663, 164540, 269326, 538652, 673315, 1346630, 2558597, 2693260, 5117194, 10234388, 12792985, 25585970, 51171940]

約数ペア:

[(1, 51171940), (2, 25585970), (4, 12792985), (5, 10234388), (10, 5117194), (19, 2693260), (20, 2558597), (38, 1346630), (76, 673315), (95, 538652), (190, 269326), (311, 164540), (380, 134663), (433, 118180), (622, 82270), (866, 59090), (1244, 41135), (1555, 32908), (1732, 29545), (2165, 23636), (3110, 16454), (4330, 11818), (5909, 8660), (6220, 8227)]