129126700

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{9857}}^1$

素因数の和:10002

約数の個数: 36

約数和(自身を含む): 282372552

約数和(自身を除く): 153245852

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 9857, 13100, 19714, 39428, 49285, 98570, 197140, 246425, 492850, 985700, 1291267, 2582534, 5165068, 6456335, 12912670, 25825340, 32281675, 64563350, 129126700]

約数ペア:

[(1, 129126700), (2, 64563350), (4, 32281675), (5, 25825340), (10, 12912670), (20, 6456335), (25, 5165068), (50, 2582534), (100, 1291267), (131, 985700), (262, 492850), (524, 246425), (655, 197140), (1310, 98570), (2620, 49285), (3275, 39428), (6550, 19714), (9857, 13100)]