25234180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15971}}^1$

素因数の和:16059

約数の個数: 24

約数和(自身を含む): 53665920

約数和(自身を除く): 28431740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 15971, 31942, 63884, 79855, 159710, 319420, 1261709, 2523418, 5046836, 6308545, 12617090, 25234180]

約数ペア:

[(1, 25234180), (2, 12617090), (4, 6308545), (5, 5046836), (10, 2523418), (20, 1261709), (79, 319420), (158, 159710), (316, 79855), (395, 63884), (790, 31942), (1580, 15971)]