85012980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108991}}^1$

素因数の和:109016

約数の個数: 48

約数和(自身を含む): 256349184

約数和(自身を除く): 171336204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 108991, 217982, 326973, 435964, 544955, 653946, 1089910, 1307892, 1416883, 1634865, 2179820, 2833766, 3269730, 4250649, 5667532, 6539460, 7084415, 8501298, 14168830, 17002596, 21253245, 28337660, 42506490, 85012980]

約数ペア:

[(1, 85012980), (2, 42506490), (3, 28337660), (4, 21253245), (5, 17002596), (6, 14168830), (10, 8501298), (12, 7084415), (13, 6539460), (15, 5667532), (20, 4250649), (26, 3269730), (30, 2833766), (39, 2179820), (52, 1634865), (60, 1416883), (65, 1307892), (78, 1089910), (130, 653946), (156, 544955), (195, 435964), (260, 326973), (390, 217982), (780, 108991)]