80852720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77743}}^1$

素因数の和:77769

約数の個数: 40

約数和(自身を含む): 202445376

約数和(自身を除く): 121592656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77743, 155486, 310972, 388715, 621944, 777430, 1010659, 1243888, 1554860, 2021318, 3109720, 4042636, 5053295, 6219440, 8085272, 10106590, 16170544, 20213180, 40426360, 80852720]

約数ペア:

[(1, 80852720), (2, 40426360), (4, 20213180), (5, 16170544), (8, 10106590), (10, 8085272), (13, 6219440), (16, 5053295), (20, 4042636), (26, 3109720), (40, 2021318), (52, 1554860), (65, 1243888), (80, 1010659), (104, 777430), (130, 621944), (208, 388715), (260, 310972), (520, 155486), (1040, 77743)]