12494680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 31168800

約数和(自身を除く): 18674120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 389, 440, 584, 730, 778, 803, 1460, 1556, 1606, 1945, 2920, 3112, 3212, 3890, 4015, 4279, 6424, 7780, 8030, 8558, 15560, 16060, 17116, 21395, 28397, 32120, 34232, 42790, 56794, 85580, 113588, 141985, 171160, 227176, 283970, 312367, 567940, 624734, 1135880, 1249468, 1561835, 2498936, 3123670, 6247340, 12494680]

約数ペア:

[(1, 12494680), (2, 6247340), (4, 3123670), (5, 2498936), (8, 1561835), (10, 1249468), (11, 1135880), (20, 624734), (22, 567940), (40, 312367), (44, 283970), (55, 227176), (73, 171160), (88, 141985), (110, 113588), (146, 85580), (220, 56794), (292, 42790), (365, 34232), (389, 32120), (440, 28397), (584, 21395), (730, 17116), (778, 16060), (803, 15560), (1460, 8558), (1556, 8030), (1606, 7780), (1945, 6424), (2920, 4279), (3112, 4015), (3212, 3890)]