40507870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{673}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 78809472

約数和(自身を除く): 38301602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 463, 673, 926, 1346, 2315, 3365, 4630, 6019, 6730, 8749, 12038, 17498, 30095, 43745, 60190, 87490, 311599, 623198, 1557995, 3115990, 4050787, 8101574, 20253935, 40507870]

約数ペア:

[(1, 40507870), (2, 20253935), (5, 8101574), (10, 4050787), (13, 3115990), (26, 1557995), (65, 623198), (130, 311599), (463, 87490), (673, 60190), (926, 43745), (1346, 30095), (2315, 17498), (3365, 12038), (4630, 8749), (6019, 6730)]