2100488021255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{10120639}}^1$

素因数の和:10120791

約数の個数: 32

約数和(自身を含む): 2829245153280

約数和(自身を除く): 728757132025

約数列:

[1, 5, 13, 31, 65, 103, 155, 403, 515, 1339, 2015, 3193, 6695, 15965, 41509, 207545, 10120639, 50603195, 131568307, 313739809, 657841535, 1042425817, 1568699045, 4078617517, 5212129085, 13551535621, 20393087585, 32315200327, 67757678105, 161576001635, 420097604251, 2100488021255]

約数ペア:

[(1, 2100488021255), (5, 420097604251), (13, 161576001635), (31, 67757678105), (65, 32315200327), (103, 20393087585), (155, 13551535621), (403, 5212129085), (515, 4078617517), (1339, 1568699045), (2015, 1042425817), (3193, 657841535), (6695, 313739809), (15965, 131568307), (41509, 50603195), (207545, 10120639)]