51113540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15679}}^1$

素因数の和:15851

約数の個数: 24

約数和(自身を含む): 108003840

約数和(自身を除く): 56890300

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15679, 31358, 62716, 78395, 156790, 313580, 2555677, 5111354, 10222708, 12778385, 25556770, 51113540]

約数ペア:

[(1, 51113540), (2, 25556770), (4, 12778385), (5, 10222708), (10, 5111354), (20, 2555677), (163, 313580), (326, 156790), (652, 78395), (815, 62716), (1630, 31358), (3260, 15679)]