245495120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{236053}}^1$

素因数の和:236079

約数の個数: 40

約数和(自身を含む): 614684616

約数和(自身を除く): 369189496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 236053, 472106, 944212, 1180265, 1888424, 2360530, 3068689, 3776848, 4721060, 6137378, 9442120, 12274756, 15343445, 18884240, 24549512, 30686890, 49099024, 61373780, 122747560, 245495120]

約数ペア:

[(1, 245495120), (2, 122747560), (4, 61373780), (5, 49099024), (8, 30686890), (10, 24549512), (13, 18884240), (16, 15343445), (20, 12274756), (26, 9442120), (40, 6137378), (52, 4721060), (65, 3776848), (80, 3068689), (104, 2360530), (130, 1888424), (208, 1180265), (260, 944212), (520, 472106), (1040, 236053)]