25208420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4651}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 53144448

約数和(自身を除く): 27936028

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 4651, 5420, 9302, 18604, 23255, 46510, 93020, 1260421, 2520842, 5041684, 6302105, 12604210, 25208420]

約数ペア:

[(1, 25208420), (2, 12604210), (4, 6302105), (5, 5041684), (10, 2520842), (20, 1260421), (271, 93020), (542, 46510), (1084, 23255), (1355, 18604), (2710, 9302), (4651, 5420)]