28208020700

素因数分解:

$2^2\times 5^2\times {\mathrm{4759}}^1\times {\mathrm{59273}}^1$

素因数の和:64046

約数の個数: 36

約数和(自身を含む): 61225300080

約数和(自身を除く): 33017279380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4759, 9518, 19036, 23795, 47590, 59273, 95180, 118546, 118975, 237092, 237950, 296365, 475900, 592730, 1185460, 1481825, 2963650, 5927300, 282080207, 564160414, 1128320828, 1410401035, 2820802070, 5641604140, 7052005175, 14104010350, 28208020700]

約数ペア:

[(1, 28208020700), (2, 14104010350), (4, 7052005175), (5, 5641604140), (10, 2820802070), (20, 1410401035), (25, 1128320828), (50, 564160414), (100, 282080207), (4759, 5927300), (9518, 2963650), (19036, 1481825), (23795, 1185460), (47590, 592730), (59273, 475900), (95180, 296365), (118546, 237950), (118975, 237092)]