25499990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{87931}}^1$

素因数の和:87967

約数の個数: 16

約数和(自身を含む): 47483280

約数和(自身を除く): 21983290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 87931, 175862, 439655, 879310, 2549999, 5099998, 12749995, 25499990]

約数ペア:

[(1, 25499990), (2, 12749995), (5, 5099998), (10, 2549999), (29, 879310), (58, 439655), (145, 175862), (290, 87931)]