25355440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28813}}^1$

素因数の和:28837

約数の個数: 40

約数和(自身を含む): 64312848

約数和(自身を除く): 38957408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28813, 57626, 115252, 144065, 230504, 288130, 316943, 461008, 576260, 633886, 1152520, 1267772, 1584715, 2305040, 2535544, 3169430, 5071088, 6338860, 12677720, 25355440]

約数ペア:

[(1, 25355440), (2, 12677720), (4, 6338860), (5, 5071088), (8, 3169430), (10, 2535544), (11, 2305040), (16, 1584715), (20, 1267772), (22, 1152520), (40, 633886), (44, 576260), (55, 461008), (80, 316943), (88, 288130), (110, 230504), (176, 144065), (220, 115252), (440, 57626), (880, 28813)]