39428075

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 50309280

約数和(自身を除く): 10881205

約数列:

[1, 5, 25, 71, 97, 229, 355, 485, 1145, 1775, 2425, 5725, 6887, 16259, 22213, 34435, 81295, 111065, 172175, 406475, 555325, 1577123, 7885615, 39428075]

約数ペア:

[(1, 39428075), (5, 7885615), (25, 1577123), (71, 555325), (97, 406475), (229, 172175), (355, 111065), (485, 81295), (1145, 34435), (1775, 22213), (2425, 16259), (5725, 6887)]