26061425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 37966320

約数和(自身を除く): 11904895

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 89, 221, 265, 325, 425, 445, 689, 901, 1105, 1157, 1325, 1513, 2225, 3445, 4505, 4717, 5525, 5785, 7565, 11713, 17225, 19669, 22525, 23585, 28925, 37825, 58565, 61321, 80189, 98345, 117925, 292825, 306605, 400945, 491725, 1042457, 1533025, 2004725, 5212285, 26061425]

約数ペア:

[(1, 26061425), (5, 5212285), (13, 2004725), (17, 1533025), (25, 1042457), (53, 491725), (65, 400945), (85, 306605), (89, 292825), (221, 117925), (265, 98345), (325, 80189), (425, 61321), (445, 58565), (689, 37825), (901, 28925), (1105, 23585), (1157, 22525), (1325, 19669), (1513, 17225), (2225, 11713), (3445, 7565), (4505, 5785), (4717, 5525)]