104507780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401953}}^1$

素因数の和:401975

約数の個数: 24

約数和(自身を含む): 236348952

約数和(自身を除く): 131841172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401953, 803906, 1607812, 2009765, 4019530, 5225389, 8039060, 10450778, 20901556, 26126945, 52253890, 104507780]

約数ペア:

[(1, 104507780), (2, 52253890), (4, 26126945), (5, 20901556), (10, 10450778), (13, 8039060), (20, 5225389), (26, 4019530), (52, 2009765), (65, 1607812), (130, 803906), (260, 401953)]