156913880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91229}}^1$

素因数の和:91283

約数の個数: 32

約数和(自身を含む): 361270800

約数和(自身を除く): 204356920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91229, 182458, 364916, 456145, 729832, 912290, 1824580, 3649160, 3922847, 7845694, 15691388, 19614235, 31382776, 39228470, 78456940, 156913880]

約数ペア:

[(1, 156913880), (2, 78456940), (4, 39228470), (5, 31382776), (8, 19614235), (10, 15691388), (20, 7845694), (40, 3922847), (43, 3649160), (86, 1824580), (172, 912290), (215, 729832), (344, 456145), (430, 364916), (860, 182458), (1720, 91229)]