81760510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 161274240

約数和(自身を除く): 79513730

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 169, 202, 338, 479, 505, 845, 958, 1010, 1313, 1690, 2395, 2626, 4790, 6227, 6565, 12454, 13130, 17069, 31135, 34138, 48379, 62270, 80951, 85345, 96758, 161902, 170690, 241895, 404755, 483790, 628927, 809510, 1257854, 3144635, 6289270, 8176051, 16352102, 40880255, 81760510]

約数ペア:

[(1, 81760510), (2, 40880255), (5, 16352102), (10, 8176051), (13, 6289270), (26, 3144635), (65, 1257854), (101, 809510), (130, 628927), (169, 483790), (202, 404755), (338, 241895), (479, 170690), (505, 161902), (845, 96758), (958, 85345), (1010, 80951), (1313, 62270), (1690, 48379), (2395, 34138), (2626, 31135), (4790, 17069), (6227, 13130), (6565, 12454)]