156922280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29947}}^1$

素因数の和:30089

約数の個数: 32

約数和(自身を含む): 355782240

約数和(自身を除く): 198859960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29947, 59894, 119788, 149735, 239576, 299470, 598940, 1197880, 3923057, 7846114, 15692228, 19615285, 31384456, 39230570, 78461140, 156922280]

約数ペア:

[(1, 156922280), (2, 78461140), (4, 39230570), (5, 31384456), (8, 19615285), (10, 15692228), (20, 7846114), (40, 3923057), (131, 1197880), (262, 598940), (524, 299470), (655, 239576), (1048, 149735), (1310, 119788), (2620, 59894), (5240, 29947)]