138184040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26371}}^1$

素因数の和:26513

約数の個数: 32

約数和(自身を含む): 313299360

約数和(自身を除く): 175115320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26371, 52742, 105484, 131855, 210968, 263710, 527420, 1054840, 3454601, 6909202, 13818404, 17273005, 27636808, 34546010, 69092020, 138184040]

約数ペア:

[(1, 138184040), (2, 69092020), (4, 34546010), (5, 27636808), (8, 17273005), (10, 13818404), (20, 6909202), (40, 3454601), (131, 1054840), (262, 527420), (524, 263710), (655, 210968), (1048, 131855), (1310, 105484), (2620, 52742), (5240, 26371)]