13739360

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 33230736

約数和(自身を除く): 19491376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1997, 3440, 3994, 6880, 7988, 9985, 15976, 19970, 31952, 39940, 63904, 79880, 85871, 159760, 171742, 319520, 343484, 429355, 686968, 858710, 1373936, 1717420, 2747872, 3434840, 6869680, 13739360]

約数ペア:

[(1, 13739360), (2, 6869680), (4, 3434840), (5, 2747872), (8, 1717420), (10, 1373936), (16, 858710), (20, 686968), (32, 429355), (40, 343484), (43, 319520), (80, 171742), (86, 159760), (160, 85871), (172, 79880), (215, 63904), (344, 39940), (430, 31952), (688, 19970), (860, 15976), (1376, 9985), (1720, 7988), (1997, 6880), (3440, 3994)]