804555440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773611}}^1$

素因数の和:773637

約数の個数: 40

約数和(自身を含む): 2014485648

約数和(自身を除く): 1209930208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 773611, 1547222, 3094444, 3868055, 6188888, 7736110, 10056943, 12377776, 15472220, 20113886, 30944440, 40227772, 50284715, 61888880, 80455544, 100569430, 160911088, 201138860, 402277720, 804555440]

約数ペア:

[(1, 804555440), (2, 402277720), (4, 201138860), (5, 160911088), (8, 100569430), (10, 80455544), (13, 61888880), (16, 50284715), (20, 40227772), (26, 30944440), (40, 20113886), (52, 15472220), (65, 12377776), (80, 10056943), (104, 7736110), (130, 6188888), (208, 3868055), (260, 3094444), (520, 1547222), (1040, 773611)]