25655240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 37243960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 479, 515, 520, 824, 958, 1030, 1339, 1916, 2060, 2395, 2678, 3832, 4120, 4790, 5356, 6227, 6695, 9580, 10712, 12454, 13390, 19160, 24908, 26780, 31135, 49337, 49816, 53560, 62270, 98674, 124540, 197348, 246685, 249080, 394696, 493370, 641381, 986740, 1282762, 1973480, 2565524, 3206905, 5131048, 6413810, 12827620, 25655240]

約数ペア:

[(1, 25655240), (2, 12827620), (4, 6413810), (5, 5131048), (8, 3206905), (10, 2565524), (13, 1973480), (20, 1282762), (26, 986740), (40, 641381), (52, 493370), (65, 394696), (103, 249080), (104, 246685), (130, 197348), (206, 124540), (260, 98674), (412, 62270), (479, 53560), (515, 49816), (520, 49337), (824, 31135), (958, 26780), (1030, 24908), (1339, 19160), (1916, 13390), (2060, 12454), (2395, 10712), (2678, 9580), (3832, 6695), (4120, 6227), (4790, 5356)]