1566369620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1\times {\mathrm{809}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 3323073600

約数和(自身を除く): 1756703980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 739, 809, 1310, 1478, 1618, 2620, 2956, 3236, 3695, 4045, 7390, 8090, 14780, 16180, 96809, 105979, 193618, 211958, 387236, 423916, 484045, 529895, 597851, 968090, 1059790, 1195702, 1936180, 2119580, 2391404, 2989255, 5978510, 11957020, 78318481, 156636962, 313273924, 391592405, 783184810, 1566369620]

約数ペア:

[(1, 1566369620), (2, 783184810), (4, 391592405), (5, 313273924), (10, 156636962), (20, 78318481), (131, 11957020), (262, 5978510), (524, 2989255), (655, 2391404), (739, 2119580), (809, 1936180), (1310, 1195702), (1478, 1059790), (1618, 968090), (2620, 597851), (2956, 529895), (3236, 484045), (3695, 423916), (4045, 387236), (7390, 211958), (8090, 193618), (14780, 105979), (16180, 96809)]