1636996960

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{78101}}^1$

素因数の和:78247

約数の個数: 48

約数和(自身を含む): 3896977392

約数和(自身を除く): 2259980432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 20960, 78101, 156202, 312404, 390505, 624808, 781010, 1249616, 1562020, 2499232, 3124040, 6248080, 10231231, 12496160, 20462462, 40924924, 51156155, 81849848, 102312310, 163699696, 204624620, 327399392, 409249240, 818498480, 1636996960]

約数ペア:

[(1, 1636996960), (2, 818498480), (4, 409249240), (5, 327399392), (8, 204624620), (10, 163699696), (16, 102312310), (20, 81849848), (32, 51156155), (40, 40924924), (80, 20462462), (131, 12496160), (160, 10231231), (262, 6248080), (524, 3124040), (655, 2499232), (1048, 1562020), (1310, 1249616), (2096, 781010), (2620, 624808), (4192, 390505), (5240, 312404), (10480, 156202), (20960, 78101)]