9780725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 13020000

約数和(自身を除く): 3239275

約数列:

[1, 5, 19, 25, 59, 95, 295, 349, 475, 1121, 1475, 1745, 5605, 6631, 8725, 20591, 28025, 33155, 102955, 165775, 391229, 514775, 1956145, 9780725]

約数ペア:

[(1, 9780725), (5, 1956145), (19, 514775), (25, 391229), (59, 165775), (95, 102955), (295, 33155), (349, 28025), (475, 20591), (1121, 8725), (1475, 6631), (1745, 5605)]