2680990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 5334336

約数和(自身を除く): 2653346

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 503, 533, 1006, 1066, 2515, 2665, 5030, 5330, 6539, 13078, 20623, 32695, 41246, 65390, 103115, 206230, 268099, 536198, 1340495, 2680990]

約数ペア:

[(1, 2680990), (2, 1340495), (5, 536198), (10, 268099), (13, 206230), (26, 103115), (41, 65390), (65, 41246), (82, 32695), (130, 20623), (205, 13078), (410, 6539), (503, 5330), (533, 5030), (1006, 2665), (1066, 2515)]