13399880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 33006960

約数和(自身を除く): 19607080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 353, 365, 520, 584, 706, 730, 949, 1412, 1460, 1765, 1898, 2824, 2920, 3530, 3796, 4589, 4745, 7060, 7592, 9178, 9490, 14120, 18356, 18980, 22945, 25769, 36712, 37960, 45890, 51538, 91780, 103076, 128845, 183560, 206152, 257690, 334997, 515380, 669994, 1030760, 1339988, 1674985, 2679976, 3349970, 6699940, 13399880]

約数ペア:

[(1, 13399880), (2, 6699940), (4, 3349970), (5, 2679976), (8, 1674985), (10, 1339988), (13, 1030760), (20, 669994), (26, 515380), (40, 334997), (52, 257690), (65, 206152), (73, 183560), (104, 128845), (130, 103076), (146, 91780), (260, 51538), (292, 45890), (353, 37960), (365, 36712), (520, 25769), (584, 22945), (706, 18980), (730, 18356), (949, 14120), (1412, 9490), (1460, 9178), (1765, 7592), (1898, 7060), (2824, 4745), (2920, 4589), (3530, 3796)]