80865460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311021}}^1$

素因数の和:311043

約数の個数: 24

約数和(自身を含む): 182880936

約数和(自身を除く): 102015476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311021, 622042, 1244084, 1555105, 3110210, 4043273, 6220420, 8086546, 16173092, 20216365, 40432730, 80865460]

約数ペア:

[(1, 80865460), (2, 40432730), (4, 20216365), (5, 16173092), (10, 8086546), (13, 6220420), (20, 4043273), (26, 3110210), (52, 1555105), (65, 1244084), (130, 622042), (260, 311021)]