139607780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{536953}}^1$

素因数の和:536975

約数の個数: 24

約数和(自身を含む): 315728952

約数和(自身を除く): 176121172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 536953, 1073906, 2147812, 2684765, 5369530, 6980389, 10739060, 13960778, 27921556, 34901945, 69803890, 139607780]

約数ペア:

[(1, 139607780), (2, 69803890), (4, 34901945), (5, 27921556), (10, 13960778), (13, 10739060), (20, 6980389), (26, 5369530), (52, 2684765), (65, 2147812), (130, 1073906), (260, 536953)]