65540540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252079}}^1$

素因数の和:252101

約数の個数: 24

約数和(自身を含む): 148223040

約数和(自身を除く): 82682500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252079, 504158, 1008316, 1260395, 2520790, 3277027, 5041580, 6554054, 13108108, 16385135, 32770270, 65540540]

約数ペア:

[(1, 65540540), (2, 32770270), (4, 16385135), (5, 13108108), (10, 6554054), (13, 5041580), (20, 3277027), (26, 2520790), (52, 1260395), (65, 1008316), (130, 504158), (260, 252079)]