65838160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19139}}^1$

素因数の和:19195

約数の個数: 40

約数和(自身を含む): 156641760

約数和(自身を除く): 90803600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19139, 38278, 76556, 95695, 153112, 191390, 306224, 382780, 765560, 822977, 1531120, 1645954, 3291908, 4114885, 6583816, 8229770, 13167632, 16459540, 32919080, 65838160]

約数ペア:

[(1, 65838160), (2, 32919080), (4, 16459540), (5, 13167632), (8, 8229770), (10, 6583816), (16, 4114885), (20, 3291908), (40, 1645954), (43, 1531120), (80, 822977), (86, 765560), (172, 382780), (215, 306224), (344, 191390), (430, 153112), (688, 95695), (860, 76556), (1720, 38278), (3440, 19139)]