138058280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26347}}^1$

素因数の和:26489

約数の個数: 32

約数和(自身を含む): 313014240

約数和(自身を除く): 174955960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26347, 52694, 105388, 131735, 210776, 263470, 526940, 1053880, 3451457, 6902914, 13805828, 17257285, 27611656, 34514570, 69029140, 138058280]

約数ペア:

[(1, 138058280), (2, 69029140), (4, 34514570), (5, 27611656), (8, 17257285), (10, 13805828), (20, 6902914), (40, 3451457), (131, 1053880), (262, 526940), (524, 263470), (655, 210776), (1048, 131735), (1310, 105388), (2620, 52694), (5240, 26347)]