13489580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 30787680

約数和(自身を除く): 17298100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 307, 338, 614, 676, 845, 1228, 1535, 1690, 2197, 3070, 3380, 3991, 4394, 6140, 7982, 8788, 10985, 15964, 19955, 21970, 39910, 43940, 51883, 79820, 103766, 207532, 259415, 518830, 674479, 1037660, 1348958, 2697916, 3372395, 6744790, 13489580]

約数ペア:

[(1, 13489580), (2, 6744790), (4, 3372395), (5, 2697916), (10, 1348958), (13, 1037660), (20, 674479), (26, 518830), (52, 259415), (65, 207532), (130, 103766), (169, 79820), (260, 51883), (307, 43940), (338, 39910), (614, 21970), (676, 19955), (845, 15964), (1228, 10985), (1535, 8788), (1690, 7982), (2197, 6140), (3070, 4394), (3380, 3991)]