57707780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221953}}^1$

素因数の和:221975

約数の個数: 24

約数和(自身を含む): 130508952

約数和(自身を除く): 72801172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 221953, 443906, 887812, 1109765, 2219530, 2885389, 4439060, 5770778, 11541556, 14426945, 28853890, 57707780]

約数ペア:

[(1, 57707780), (2, 28853890), (4, 14426945), (5, 11541556), (10, 5770778), (13, 4439060), (20, 2885389), (26, 2219530), (52, 1109765), (65, 887812), (130, 443906), (260, 221953)]