16529525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 7576075

約数列:

[1, 5, 17, 19, 23, 25, 85, 89, 95, 115, 323, 391, 425, 437, 445, 475, 575, 1513, 1615, 1691, 1955, 2047, 2185, 2225, 7429, 7565, 8075, 8455, 9775, 10235, 10925, 28747, 34799, 37145, 37825, 38893, 42275, 51175, 143735, 173995, 185725, 194465, 661181, 718675, 869975, 972325, 3305905, 16529525]

約数ペア:

[(1, 16529525), (5, 3305905), (17, 972325), (19, 869975), (23, 718675), (25, 661181), (85, 194465), (89, 185725), (95, 173995), (115, 143735), (323, 51175), (391, 42275), (425, 38893), (437, 37825), (445, 37145), (475, 34799), (575, 28747), (1513, 10925), (1615, 10235), (1691, 9775), (1955, 8455), (2047, 8075), (2185, 7565), (2225, 7429)]