25693590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65881}}^1$

素因数の和:65904

約数の個数: 32

約数和(自身を含む): 66409056

約数和(自身を除く): 40715466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 65881, 131762, 197643, 329405, 395286, 658810, 856453, 988215, 1712906, 1976430, 2569359, 4282265, 5138718, 8564530, 12846795, 25693590]

約数ペア:

[(1, 25693590), (2, 12846795), (3, 8564530), (5, 5138718), (6, 4282265), (10, 2569359), (13, 1976430), (15, 1712906), (26, 988215), (30, 856453), (39, 658810), (65, 395286), (78, 329405), (130, 197643), (195, 131762), (390, 65881)]