660197525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{1559}}^1$

素因数の和:2885

約数の個数: 24

約数和(自身を含む): 882860160

約数和(自身を除く): 222662635

約数列:

[1, 5, 13, 25, 65, 325, 1303, 1559, 6515, 7795, 16939, 20267, 32575, 38975, 84695, 101335, 423475, 506675, 2031377, 10156885, 26407901, 50784425, 132039505, 660197525]

約数ペア:

[(1, 660197525), (5, 132039505), (13, 50784425), (25, 26407901), (65, 10156885), (325, 2031377), (1303, 506675), (1559, 423475), (6515, 101335), (7795, 84695), (16939, 38975), (20267, 32575)]