65656240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63131}}^1$

素因数の和:63157

約数の個数: 40

約数和(自身を含む): 164395728

約数和(自身を除く): 98739488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63131, 126262, 252524, 315655, 505048, 631310, 820703, 1010096, 1262620, 1641406, 2525240, 3282812, 4103515, 5050480, 6565624, 8207030, 13131248, 16414060, 32828120, 65656240]

約数ペア:

[(1, 65656240), (2, 32828120), (4, 16414060), (5, 13131248), (8, 8207030), (10, 6565624), (13, 5050480), (16, 4103515), (20, 3282812), (26, 2525240), (40, 1641406), (52, 1262620), (65, 1010096), (80, 820703), (104, 631310), (130, 505048), (208, 315655), (260, 252524), (520, 126262), (1040, 63131)]