80106650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 161427168

約数和(自身を除く): 81320518

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 251, 325, 491, 502, 650, 982, 1255, 2455, 2510, 3263, 4910, 6275, 6383, 6526, 12275, 12550, 12766, 16315, 24550, 31915, 32630, 63830, 81575, 123241, 159575, 163150, 246482, 319150, 616205, 1232410, 1602133, 3081025, 3204266, 6162050, 8010665, 16021330, 40053325, 80106650]

約数ペア:

[(1, 80106650), (2, 40053325), (5, 16021330), (10, 8010665), (13, 6162050), (25, 3204266), (26, 3081025), (50, 1602133), (65, 1232410), (130, 616205), (251, 319150), (325, 246482), (491, 163150), (502, 159575), (650, 123241), (982, 81575), (1255, 63830), (2455, 32630), (2510, 31915), (3263, 24550), (4910, 16315), (6275, 12766), (6383, 12550), (6526, 12275)]