51395240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98837}}^1$

素因数の和:98861

約数の個数: 32

約数和(自身を含む): 124535880

約数和(自身を除く): 73140640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98837, 197674, 395348, 494185, 790696, 988370, 1284881, 1976740, 2569762, 3953480, 5139524, 6424405, 10279048, 12848810, 25697620, 51395240]

約数ペア:

[(1, 51395240), (2, 25697620), (4, 12848810), (5, 10279048), (8, 6424405), (10, 5139524), (13, 3953480), (20, 2569762), (26, 1976740), (40, 1284881), (52, 988370), (65, 790696), (104, 494185), (130, 395348), (260, 197674), (520, 98837)]