127979140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{48847}}^1$

素因数の和:48987

約数の個数: 24

約数和(自身を含む): 270813312

約数和(自身を除く): 142834172

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 48847, 97694, 195388, 244235, 488470, 976940, 6398957, 12797914, 25595828, 31994785, 63989570, 127979140]

約数ペア:

[(1, 127979140), (2, 63989570), (4, 31994785), (5, 25595828), (10, 12797914), (20, 6398957), (131, 976940), (262, 488470), (524, 244235), (655, 195388), (1310, 97694), (2620, 48847)]