25440172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2543}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 46372032

約数和(自身を除く): 20931860

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 2501, 2543, 5002, 5086, 10004, 10172, 104263, 155123, 208526, 310246, 417052, 620492, 6360043, 12720086, 25440172]

約数ペア:

[(1, 25440172), (2, 12720086), (4, 6360043), (41, 620492), (61, 417052), (82, 310246), (122, 208526), (164, 155123), (244, 104263), (2501, 10172), (2543, 10004), (5002, 5086)]