65982640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19181}}^1$

素因数の和:19237

約数の個数: 40

約数和(自身を含む): 156985488

約数和(自身を除く): 91002848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19181, 38362, 76724, 95905, 153448, 191810, 306896, 383620, 767240, 824783, 1534480, 1649566, 3299132, 4123915, 6598264, 8247830, 13196528, 16495660, 32991320, 65982640]

約数ペア:

[(1, 65982640), (2, 32991320), (4, 16495660), (5, 13196528), (8, 8247830), (10, 6598264), (16, 4123915), (20, 3299132), (40, 1649566), (43, 1534480), (80, 824783), (86, 767240), (172, 383620), (215, 306896), (344, 191810), (430, 153448), (688, 95905), (860, 76724), (1720, 38362), (3440, 19181)]