291268760

素因数分解:

$2^3\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{2791}}^1$

素因数の和:5411

約数の個数: 32

約数和(自身を含む): 655840800

約数和(自身を除く): 364572040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2609, 2791, 5218, 5582, 10436, 11164, 13045, 13955, 20872, 22328, 26090, 27910, 52180, 55820, 104360, 111640, 7281719, 14563438, 29126876, 36408595, 58253752, 72817190, 145634380, 291268760]

約数ペア:

[(1, 291268760), (2, 145634380), (4, 72817190), (5, 58253752), (8, 36408595), (10, 29126876), (20, 14563438), (40, 7281719), (2609, 111640), (2791, 104360), (5218, 55820), (5582, 52180), (10436, 27910), (11164, 26090), (13045, 22328), (13955, 20872)]