28480525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 10891955

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 3527, 8075, 17635, 59959, 67013, 88175, 299795, 335065, 1139221, 1498975, 1675325, 5696105, 28480525]

約数ペア:

[(1, 28480525), (5, 5696105), (17, 1675325), (19, 1498975), (25, 1139221), (85, 335065), (95, 299795), (323, 88175), (425, 67013), (475, 59959), (1615, 17635), (3527, 8075)]