2319980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8945

約数の個数: 24

約数和(自身を含む): 5247312

約数和(自身を除く): 2927332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8923, 17846, 35692, 44615, 89230, 115999, 178460, 231998, 463996, 579995, 1159990, 2319980]

約数ペア:

[(1, 2319980), (2, 1159990), (4, 579995), (5, 463996), (10, 231998), (13, 178460), (20, 115999), (26, 89230), (52, 44615), (65, 35692), (130, 17846), (260, 8923)]