25331320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90469}}^1$

素因数の和:90487

約数の個数: 32

約数和(自身を含む): 65138400

約数和(自身を除く): 39807080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90469, 180938, 361876, 452345, 633283, 723752, 904690, 1266566, 1809380, 2533132, 3166415, 3618760, 5066264, 6332830, 12665660, 25331320]

約数ペア:

[(1, 25331320), (2, 12665660), (4, 6332830), (5, 5066264), (7, 3618760), (8, 3166415), (10, 2533132), (14, 1809380), (20, 1266566), (28, 904690), (35, 723752), (40, 633283), (56, 452345), (70, 361876), (140, 180938), (280, 90469)]