80862340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311009}}^1$

素因数の和:311031

約数の個数: 24

約数和(自身を含む): 182873880

約数和(自身を除く): 102011540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311009, 622018, 1244036, 1555045, 3110090, 4043117, 6220180, 8086234, 16172468, 20215585, 40431170, 80862340]

約数ペア:

[(1, 80862340), (2, 40431170), (4, 20215585), (5, 16172468), (10, 8086234), (13, 6220180), (20, 4043117), (26, 3110090), (52, 1555045), (65, 1244036), (130, 622018), (260, 311009)]